Home / 21,730,001.40-32,595,002.10-21,411,136.80

Finding the Fourth Proportional to 21,730,001.40, 32,595,002.10 and 21,411,136.80

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Solution

The fourth proportional to 21,730,001.40, 32,595,002.10 and 21,411,136.80 is: 32,116,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,001.40 : 32,595,002.10 = 21,411,136.80 : x
  2. Step 2: Convert to fraction form
    21,730,001.40/32,595,002.10 = 21,411,136.80/x
  3. Step 3: Cross multiply
    21,730,001.40x = 32,595,002.10 × 21,411,136.80
  4. Step 4: Simplify right side
    21,730,001.40x = 697,896,048,959,387.38
  5. Step 5: Solve for x
    x = 697,896,048,959,387.38/21,730,001.40
  6. Step 6: Final answer
    x = 32,116,705.20

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1.5x scale

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.