Home / 19,968,000.70-29,952,001.05-8,009,319.10

Finding the Fourth Proportional to 19,968,000.70, 29,952,001.05 and 8,009,319.10

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Solution

The fourth proportional to 19,968,000.70, 29,952,001.05 and 8,009,319.10 is: 12,013,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968,000.70 : 29,952,001.05 = 8,009,319.10 : x
  2. Step 2: Convert to fraction form
    19,968,000.70/29,952,001.05 = 8,009,319.10/x
  3. Step 3: Cross multiply
    19,968,000.70x = 29,952,001.05 × 8,009,319.10
  4. Step 4: Simplify right side
    19,968,000.70x = 239,895,134,092,985.06
  5. Step 5: Solve for x
    x = 239,895,134,092,985.06/19,968,000.70
  6. Step 6: Final answer
    x = 12,013,978.65

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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.