Home / 10,780,001.80-16,170,002.70-9,717,119.80

Finding the Fourth Proportional to 10,780,001.80, 16,170,002.70 and 9,717,119.80

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Solution

The fourth proportional to 10,780,001.80, 16,170,002.70 and 9,717,119.80 is: 14,575,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,001.80 : 16,170,002.70 = 9,717,119.80 : x
  2. Step 2: Convert to fraction form
    10,780,001.80/16,170,002.70 = 9,717,119.80/x
  3. Step 3: Cross multiply
    10,780,001.80x = 16,170,002.70 × 9,717,119.80
  4. Step 4: Simplify right side
    10,780,001.80x = 157,125,853,402,223.47
  5. Step 5: Solve for x
    x = 157,125,853,402,223.47/10,780,001.80
  6. Step 6: Final answer
    x = 14,575,679.70

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1.5x scale

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.