Home / 18,678,854.10-28,018,281.15-16,159,430.10

Finding the Fourth Proportional to 18,678,854.10, 28,018,281.15 and 16,159,430.10

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Solution

The fourth proportional to 18,678,854.10, 28,018,281.15 and 16,159,430.10 is: 24,239,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,854.10 : 28,018,281.15 = 16,159,430.10 : x
  2. Step 2: Convert to fraction form
    18,678,854.10/28,018,281.15 = 16,159,430.10/x
  3. Step 3: Cross multiply
    18,678,854.10x = 28,018,281.15 × 16,159,430.10
  4. Step 4: Simplify right side
    18,678,854.10x = 452,759,455,765,572.56
  5. Step 5: Solve for x
    x = 452,759,455,765,572.56/18,678,854.10
  6. Step 6: Final answer
    x = 24,239,145.15

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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.