Home / 10,609,590.40-15,914,385.60-3,421,358.80

Finding the Fourth Proportional to 10,609,590.40, 15,914,385.60 and 3,421,358.80

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Solution

The fourth proportional to 10,609,590.40, 15,914,385.60 and 3,421,358.80 is: 5,132,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609,590.40 : 15,914,385.60 = 3,421,358.80 : x
  2. Step 2: Convert to fraction form
    10,609,590.40/15,914,385.60 = 3,421,358.80/x
  3. Step 3: Cross multiply
    10,609,590.40x = 15,914,385.60 × 3,421,358.80
  4. Step 4: Simplify right side
    10,609,590.40x = 54,448,823,219,153.27
  5. Step 5: Solve for x
    x = 54,448,823,219,153.27/10,609,590.40
  6. Step 6: Final answer
    x = 5,132,038.20

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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.