Home / 10,916,999.10-16,375,498.65-9,688,779.90

Finding the Fourth Proportional to 10,916,999.10, 16,375,498.65 and 9,688,779.90

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Solution

The fourth proportional to 10,916,999.10, 16,375,498.65 and 9,688,779.90 is: 14,533,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916,999.10 : 16,375,498.65 = 9,688,779.90 : x
  2. Step 2: Convert to fraction form
    10,916,999.10/16,375,498.65 = 9,688,779.90/x
  3. Step 3: Cross multiply
    10,916,999.10x = 16,375,498.65 × 9,688,779.90
  4. Step 4: Simplify right side
    10,916,999.10x = 158,658,602,172,597.16
  5. Step 5: Solve for x
    x = 158,658,602,172,597.16/10,916,999.10
  6. Step 6: Final answer
    x = 14,533,169.85

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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.