Home / 6,720,307.60-10,080,461.40-3,885,955.60

Finding the Fourth Proportional to 6,720,307.60, 10,080,461.40 and 3,885,955.60

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Solution

The fourth proportional to 6,720,307.60, 10,080,461.40 and 3,885,955.60 is: 5,828,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,307.60 : 10,080,461.40 = 3,885,955.60 : x
  2. Step 2: Convert to fraction form
    6,720,307.60/10,080,461.40 = 3,885,955.60/x
  3. Step 3: Cross multiply
    6,720,307.60x = 10,080,461.40 × 3,885,955.60
  4. Step 4: Simplify right side
    6,720,307.60x = 39,172,225,427,913.84
  5. Step 5: Solve for x
    x = 39,172,225,427,913.84/6,720,307.60
  6. Step 6: Final answer
    x = 5,828,933.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.