Home / 7,130,769.60-10,693,821.60-2,642,462.40

Finding the Fourth Proportional to 7,130,769.60, 10,693,821.60 and 2,642,462.40

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Solution

The fourth proportional to 7,130,769.60, 10,693,821.60 and 2,642,462.40 is: 3,962,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,769.60 : 10,693,821.60 = 2,642,462.40 : x
  2. Step 2: Convert to fraction form
    7,130,769.60/10,693,821.60 = 2,642,462.40/x
  3. Step 3: Cross multiply
    7,130,769.60x = 10,693,821.60 × 2,642,462.40
  4. Step 4: Simplify right side
    7,130,769.60x = 28,258,021,490,307.84
  5. Step 5: Solve for x
    x = 28,258,021,490,307.84/7,130,769.60
  6. Step 6: Final answer
    x = 3,962,829.13

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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.