Home / 8,991,031.80-13,486,547.70-8,781,079.80

Finding the Fourth Proportional to 8,991,031.80, 13,486,547.70 and 8,781,079.80

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Solution

The fourth proportional to 8,991,031.80, 13,486,547.70 and 8,781,079.80 is: 13,171,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,031.80 : 13,486,547.70 = 8,781,079.80 : x
  2. Step 2: Convert to fraction form
    8,991,031.80/13,486,547.70 = 8,781,079.80/x
  3. Step 3: Cross multiply
    8,991,031.80x = 13,486,547.70 × 8,781,079.80
  4. Step 4: Simplify right side
    8,991,031.80x = 118,426,451,580,206.47
  5. Step 5: Solve for x
    x = 118,426,451,580,206.47/8,991,031.80
  6. Step 6: Final answer
    x = 13,171,619.70

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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.