Home / 13,248,001.70-19,872,002.55-13,164,020.90

Finding the Fourth Proportional to 13,248,001.70, 19,872,002.55 and 13,164,020.90

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Solution

The fourth proportional to 13,248,001.70, 19,872,002.55 and 13,164,020.90 is: 19,746,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,001.70 : 19,872,002.55 = 13,164,020.90 : x
  2. Step 2: Convert to fraction form
    13,248,001.70/19,872,002.55 = 13,164,020.90/x
  3. Step 3: Cross multiply
    13,248,001.70x = 19,872,002.55 × 13,164,020.90
  4. Step 4: Simplify right side
    13,248,001.70x = 261,595,456,893,053.31
  5. Step 5: Solve for x
    x = 261,595,456,893,053.31/13,248,001.70
  6. Step 6: Final answer
    x = 19,746,031.35

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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.