Home / 14,168,726.92-19,549,373.79-7,972,565.50

Finding the Fourth Proportional to 14,168,726.92, 19,549,373.79 and 7,972,565.50

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Solution

The fourth proportional to 14,168,726.92, 19,549,373.79 and 7,972,565.50 is: 11,000,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168,726.92 : 19,549,373.79 = 7,972,565.50 : x
  2. Step 2: Convert to fraction form
    14,168,726.92/19,549,373.79 = 7,972,565.50/x
  3. Step 3: Cross multiply
    14,168,726.92x = 19,549,373.79 × 7,972,565.50
  4. Step 4: Simplify right side
    14,168,726.92x = 155,858,663,024,758.25
  5. Step 5: Solve for x
    x = 155,858,663,024,758.25/14,168,726.92
  6. Step 6: Final answer
    x = 11,000,188.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.