Home / 19,153,691.40-28,744,533.90-13,484,987.40

Finding the Fourth Proportional to 19,153,691.40, 28,744,533.90 and 13,484,987.40

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Solution

The fourth proportional to 19,153,691.40, 28,744,533.90 and 13,484,987.40 is: 20,237,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153,691.40 : 28,744,533.90 = 13,484,987.40 : x
  2. Step 2: Convert to fraction form
    19,153,691.40/28,744,533.90 = 13,484,987.40/x
  3. Step 3: Cross multiply
    19,153,691.40x = 28,744,533.90 × 13,484,987.40
  4. Step 4: Simplify right side
    19,153,691.40x = 387,619,677,460,372.88
  5. Step 5: Solve for x
    x = 387,619,677,460,372.88/19,153,691.40
  6. Step 6: Final answer
    x = 20,237,335.42

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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.