Home / 13,854,719.40-20,782,079.10-8,752,885.80

Finding the Fourth Proportional to 13,854,719.40, 20,782,079.10 and 8,752,885.80

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Solution

The fourth proportional to 13,854,719.40, 20,782,079.10 and 8,752,885.80 is: 13,129,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,719.40 : 20,782,079.10 = 8,752,885.80 : x
  2. Step 2: Convert to fraction form
    13,854,719.40/20,782,079.10 = 8,752,885.80/x
  3. Step 3: Cross multiply
    13,854,719.40x = 20,782,079.10 × 8,752,885.80
  4. Step 4: Simplify right side
    13,854,719.40x = 181,903,165,048,866.81
  5. Step 5: Solve for x
    x = 181,903,165,048,866.81/13,854,719.40
  6. Step 6: Final answer
    x = 13,129,328.70

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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.