Home / 47,059,590.88-70,528,355.28-21,132,748

Finding the Fourth Proportional to 47,059,590.88, 70,528,355.28 and 21,132,748

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Solution

The fourth proportional to 47,059,590.88, 70,528,355.28 and 21,132,748 is: 31,671,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,059,590.88 : 70,528,355.28 = 21,132,748 : x
  2. Step 2: Convert to fraction form
    47,059,590.88/70,528,355.28 = 21,132,748/x
  3. Step 3: Cross multiply
    47,059,590.88x = 70,528,355.28 × 21,132,748
  4. Step 4: Simplify right side
    47,059,590.88x = 1,490,457,958,986,709.50
  5. Step 5: Solve for x
    x = 1,490,457,958,986,709.50/47,059,590.88
  6. Step 6: Final answer
    x = 31,671,715.18

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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.