Home / 19,358,810.40-29,031,217.20-9,771,002.40

Finding the Fourth Proportional to 19,358,810.40, 29,031,217.20 and 9,771,002.40

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Solution

The fourth proportional to 19,358,810.40, 29,031,217.20 and 9,771,002.40 is: 14,652,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358,810.40 : 29,031,217.20 = 9,771,002.40 : x
  2. Step 2: Convert to fraction form
    19,358,810.40/29,031,217.20 = 9,771,002.40/x
  3. Step 3: Cross multiply
    19,358,810.40x = 29,031,217.20 × 9,771,002.40
  4. Step 4: Simplify right side
    19,358,810.40x = 283,664,092,936,121.31
  5. Step 5: Solve for x
    x = 283,664,092,936,121.31/19,358,810.40
  6. Step 6: Final answer
    x = 14,652,971.29

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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.