Home / 19,872,000.30-29,808,000.45-10,306,062.30

Finding the Fourth Proportional to 19,872,000.30, 29,808,000.45 and 10,306,062.30

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Solution

The fourth proportional to 19,872,000.30, 29,808,000.45 and 10,306,062.30 is: 15,459,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,000.30 : 29,808,000.45 = 10,306,062.30 : x
  2. Step 2: Convert to fraction form
    19,872,000.30/29,808,000.45 = 10,306,062.30/x
  3. Step 3: Cross multiply
    19,872,000.30x = 29,808,000.45 × 10,306,062.30
  4. Step 4: Simplify right side
    19,872,000.30x = 307,203,109,676,128.06
  5. Step 5: Solve for x
    x = 307,203,109,676,128.06/19,872,000.30
  6. Step 6: Final answer
    x = 15,459,093.45

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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.