Home / 14,565,989.50-20,101,065.51-8,127,461.50

Finding the Fourth Proportional to 14,565,989.50, 20,101,065.51 and 8,127,461.50

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Solution

The fourth proportional to 14,565,989.50, 20,101,065.51 and 8,127,461.50 is: 11,215,896.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565,989.50 : 20,101,065.51 = 8,127,461.50 : x
  2. Step 2: Convert to fraction form
    14,565,989.50/20,101,065.51 = 8,127,461.50/x
  3. Step 3: Cross multiply
    14,565,989.50x = 20,101,065.51 × 8,127,461.50
  4. Step 4: Simplify right side
    14,565,989.50x = 163,370,636,041,502.88
  5. Step 5: Solve for x
    x = 163,370,636,041,502.88/14,565,989.50
  6. Step 6: Final answer
    x = 11,215,896.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.