Home / 10,642,030.10-15,963,045.15-6,387,002.90

Finding the Fourth Proportional to 10,642,030.10, 15,963,045.15 and 6,387,002.90

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Solution

The fourth proportional to 10,642,030.10, 15,963,045.15 and 6,387,002.90 is: 9,580,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642,030.10 : 15,963,045.15 = 6,387,002.90 : x
  2. Step 2: Convert to fraction form
    10,642,030.10/15,963,045.15 = 6,387,002.90/x
  3. Step 3: Cross multiply
    10,642,030.10x = 15,963,045.15 × 6,387,002.90
  4. Step 4: Simplify right side
    10,642,030.10x = 101,956,015,665,880.94
  5. Step 5: Solve for x
    x = 101,956,015,665,880.94/10,642,030.10
  6. Step 6: Final answer
    x = 9,580,504.35

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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.