Home / 10,429,543.10-15,644,314.65-6,603,167.90

Finding the Fourth Proportional to 10,429,543.10, 15,644,314.65 and 6,603,167.90

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Solution

The fourth proportional to 10,429,543.10, 15,644,314.65 and 6,603,167.90 is: 9,904,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,543.10 : 15,644,314.65 = 6,603,167.90 : x
  2. Step 2: Convert to fraction form
    10,429,543.10/15,644,314.65 = 6,603,167.90/x
  3. Step 3: Cross multiply
    10,429,543.10x = 15,644,314.65 × 6,603,167.90
  4. Step 4: Simplify right side
    10,429,543.10x = 103,302,036,314,379.75
  5. Step 5: Solve for x
    x = 103,302,036,314,379.75/10,429,543.10
  6. Step 6: Final answer
    x = 9,904,751.85

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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.