Home / 21,940,000.80-32,910,001.20-10,602,592.80

Finding the Fourth Proportional to 21,940,000.80, 32,910,001.20 and 10,602,592.80

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Solution

The fourth proportional to 21,940,000.80, 32,910,001.20 and 10,602,592.80 is: 15,903,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940,000.80 : 32,910,001.20 = 10,602,592.80 : x
  2. Step 2: Convert to fraction form
    21,940,000.80/32,910,001.20 = 10,602,592.80/x
  3. Step 3: Cross multiply
    21,940,000.80x = 32,910,001.20 × 10,602,592.80
  4. Step 4: Simplify right side
    21,940,000.80x = 348,931,341,771,111.38
  5. Step 5: Solve for x
    x = 348,931,341,771,111.38/21,940,000.80
  6. Step 6: Final answer
    x = 15,903,889.20

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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.