Home / 12,217,920.17-16,859,746.55-7,061,615.69

Finding the Fourth Proportional to 12,217,920.17, 16,859,746.55 and 7,061,615.69

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Solution

The fourth proportional to 12,217,920.17, 16,859,746.55 and 7,061,615.69 is: 9,744,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,920.17 : 16,859,746.55 = 7,061,615.69 : x
  2. Step 2: Convert to fraction form
    12,217,920.17/16,859,746.55 = 7,061,615.69/x
  3. Step 3: Cross multiply
    12,217,920.17x = 16,859,746.55 × 7,061,615.69
  4. Step 4: Simplify right side
    12,217,920.17x = 119,057,050,700,258.66
  5. Step 5: Solve for x
    x = 119,057,050,700,258.66/12,217,920.17
  6. Step 6: Final answer
    x = 9,744,461.34

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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.