Home / 20,854,570.70-31,281,856.05-14,477,278.70

Finding the Fourth Proportional to 20,854,570.70, 31,281,856.05 and 14,477,278.70

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Solution

The fourth proportional to 20,854,570.70, 31,281,856.05 and 14,477,278.70 is: 21,715,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,570.70 : 31,281,856.05 = 14,477,278.70 : x
  2. Step 2: Convert to fraction form
    20,854,570.70/31,281,856.05 = 14,477,278.70/x
  3. Step 3: Cross multiply
    20,854,570.70x = 31,281,856.05 × 14,477,278.70
  4. Step 4: Simplify right side
    20,854,570.70x = 452,876,148,289,131.12
  5. Step 5: Solve for x
    x = 452,876,148,289,131.12/20,854,570.70
  6. Step 6: Final answer
    x = 21,715,918.05

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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.