Home / 20,868,302.28-31,287,319.81-14,027,909.28

Finding the Fourth Proportional to 20,868,302.28, 31,287,319.81 and 14,027,909.28

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Solution

The fourth proportional to 20,868,302.28, 31,287,319.81 and 14,027,909.28 is: 21,031,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868,302.28 : 31,287,319.81 = 14,027,909.28 : x
  2. Step 2: Convert to fraction form
    20,868,302.28/31,287,319.81 = 14,027,909.28/x
  3. Step 3: Cross multiply
    20,868,302.28x = 31,287,319.81 × 14,027,909.28
  4. Step 4: Simplify right side
    20,868,302.28x = 438,895,683,909,026.81
  5. Step 5: Solve for x
    x = 438,895,683,909,026.81/20,868,302.28
  6. Step 6: Final answer
    x = 21,031,690.94

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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.