Home / 21,456,031.40-32,184,047.10-21,306,732.20

Finding the Fourth Proportional to 21,456,031.40, 32,184,047.10 and 21,306,732.20

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Solution

The fourth proportional to 21,456,031.40, 32,184,047.10 and 21,306,732.20 is: 31,960,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,031.40 : 32,184,047.10 = 21,306,732.20 : x
  2. Step 2: Convert to fraction form
    21,456,031.40/32,184,047.10 = 21,306,732.20/x
  3. Step 3: Cross multiply
    21,456,031.40x = 32,184,047.10 × 21,306,732.20
  4. Step 4: Simplify right side
    21,456,031.40x = 685,736,872,671,886.62
  5. Step 5: Solve for x
    x = 685,736,872,671,886.62/21,456,031.40
  6. Step 6: Final answer
    x = 31,960,098.30

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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.