Home / 15,584,711.45-21,506,930.97-8,709,193.51

Finding the Fourth Proportional to 15,584,711.45, 21,506,930.97 and 8,709,193.51

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Solution

The fourth proportional to 15,584,711.45, 21,506,930.97 and 8,709,193.51 is: 12,018,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584,711.45 : 21,506,930.97 = 8,709,193.51 : x
  2. Step 2: Convert to fraction form
    15,584,711.45/21,506,930.97 = 8,709,193.51/x
  3. Step 3: Cross multiply
    15,584,711.45x = 21,506,930.97 × 8,709,193.51
  4. Step 4: Simplify right side
    15,584,711.45x = 187,308,023,537,515.19
  5. Step 5: Solve for x
    x = 187,308,023,537,515.19/15,584,711.45
  6. Step 6: Final answer
    x = 12,018,703.34

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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.