Home / 10,642,401.60-15,963,602.40-6,387,374.40

Finding the Fourth Proportional to 10,642,401.60, 15,963,602.40 and 6,387,374.40

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Solution

The fourth proportional to 10,642,401.60, 15,963,602.40 and 6,387,374.40 is: 9,581,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642,401.60 : 15,963,602.40 = 6,387,374.40 : x
  2. Step 2: Convert to fraction form
    10,642,401.60/15,963,602.40 = 6,387,374.40/x
  3. Step 3: Cross multiply
    10,642,401.60x = 15,963,602.40 × 6,387,374.40
  4. Step 4: Simplify right side
    10,642,401.60x = 101,965,505,301,538.56
  5. Step 5: Solve for x
    x = 101,965,505,301,538.56/10,642,401.60
  6. Step 6: Final answer
    x = 9,581,061.60

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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.