Home / 10,315,814.10-15,473,721.15-9,323,790.90

Finding the Fourth Proportional to 10,315,814.10, 15,473,721.15 and 9,323,790.90

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Solution

The fourth proportional to 10,315,814.10, 15,473,721.15 and 9,323,790.90 is: 13,985,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315,814.10 : 15,473,721.15 = 9,323,790.90 : x
  2. Step 2: Convert to fraction form
    10,315,814.10/15,473,721.15 = 9,323,790.90/x
  3. Step 3: Cross multiply
    10,315,814.10x = 15,473,721.15 × 9,323,790.90
  4. Step 4: Simplify right side
    10,315,814.10x = 144,273,740,447,507.53
  5. Step 5: Solve for x
    x = 144,273,740,447,507.53/10,315,814.10
  6. Step 6: Final answer
    x = 13,985,686.35

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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.