Home / 19,260,502.40-28,872,666.88-6,472,063.68

Finding the Fourth Proportional to 19,260,502.40, 28,872,666.88 and 6,472,063.68

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Solution

The fourth proportional to 19,260,502.40, 28,872,666.88 and 6,472,063.68 is: 9,702,017.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260,502.40 : 28,872,666.88 = 6,472,063.68 : x
  2. Step 2: Convert to fraction form
    19,260,502.40/28,872,666.88 = 6,472,063.68/x
  3. Step 3: Cross multiply
    19,260,502.40x = 28,872,666.88 × 6,472,063.68
  4. Step 4: Simplify right side
    19,260,502.40x = 186,865,738,658,786.91
  5. Step 5: Solve for x
    x = 186,865,738,658,786.91/19,260,502.40
  6. Step 6: Final answer
    x = 9,702,017.88

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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.