Home / 10,431,038.10-15,646,557.15-7,242,392.10

Finding the Fourth Proportional to 10,431,038.10, 15,646,557.15 and 7,242,392.10

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Solution

The fourth proportional to 10,431,038.10, 15,646,557.15 and 7,242,392.10 is: 10,863,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431,038.10 : 15,646,557.15 = 7,242,392.10 : x
  2. Step 2: Convert to fraction form
    10,431,038.10/15,646,557.15 = 7,242,392.10/x
  3. Step 3: Cross multiply
    10,431,038.10x = 15,646,557.15 × 7,242,392.10
  4. Step 4: Simplify right side
    10,431,038.10x = 113,318,501,895,358.52
  5. Step 5: Solve for x
    x = 113,318,501,895,358.52/10,431,038.10
  6. Step 6: Final answer
    x = 10,863,588.15

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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.