Home / 7,134,547.20-10,687,305.60-4,430,572.80

Finding the Fourth Proportional to 7,134,547.20, 10,687,305.60 and 4,430,572.80

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Solution

The fourth proportional to 7,134,547.20, 10,687,305.60 and 4,430,572.80 is: 6,636,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,547.20 : 10,687,305.60 = 4,430,572.80 : x
  2. Step 2: Convert to fraction form
    7,134,547.20/10,687,305.60 = 4,430,572.80/x
  3. Step 3: Cross multiply
    7,134,547.20x = 10,687,305.60 × 4,430,572.80
  4. Step 4: Simplify right side
    7,134,547.20x = 47,350,885,496,647.68
  5. Step 5: Solve for x
    x = 47,350,885,496,647.68/7,134,547.20
  6. Step 6: Final answer
    x = 6,636,845.22

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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.