Home / 10,502,031.80-15,721,554.90-6,240,006.20

Finding the Fourth Proportional to 10,502,031.80, 15,721,554.90 and 6,240,006.20

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Solution

The fourth proportional to 10,502,031.80, 15,721,554.90 and 6,240,006.20 is: 9,341,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,031.80 : 15,721,554.90 = 6,240,006.20 : x
  2. Step 2: Convert to fraction form
    10,502,031.80/15,721,554.90 = 6,240,006.20/x
  3. Step 3: Cross multiply
    10,502,031.80x = 15,721,554.90 × 6,240,006.20
  4. Step 4: Simplify right side
    10,502,031.80x = 98,102,600,049,640.39
  5. Step 5: Solve for x
    x = 98,102,600,049,640.39/10,502,031.80
  6. Step 6: Final answer
    x = 9,341,297.18

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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.