Home / 7,018,220.80-10,515,926.40-6,346,374.40

Finding the Fourth Proportional to 7,018,220.80, 10,515,926.40 and 6,346,374.40

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Solution

The fourth proportional to 7,018,220.80, 10,515,926.40 and 6,346,374.40 is: 9,509,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,220.80 : 10,515,926.40 = 6,346,374.40 : x
  2. Step 2: Convert to fraction form
    7,018,220.80/10,515,926.40 = 6,346,374.40/x
  3. Step 3: Cross multiply
    7,018,220.80x = 10,515,926.40 × 6,346,374.40
  4. Step 4: Simplify right side
    7,018,220.80x = 66,738,006,097,244.16
  5. Step 5: Solve for x
    x = 66,738,006,097,244.16/7,018,220.80
  6. Step 6: Final answer
    x = 9,509,248.57

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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.