Home / 15,234,440.70-21,023,528.40-8,708,211.54

Finding the Fourth Proportional to 15,234,440.70, 21,023,528.40 and 8,708,211.54

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Solution

The fourth proportional to 15,234,440.70, 21,023,528.40 and 8,708,211.54 is: 12,017,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234,440.70 : 21,023,528.40 = 8,708,211.54 : x
  2. Step 2: Convert to fraction form
    15,234,440.70/21,023,528.40 = 8,708,211.54/x
  3. Step 3: Cross multiply
    15,234,440.70x = 21,023,528.40 × 8,708,211.54
  4. Step 4: Simplify right side
    15,234,440.70x = 183,077,332,624,397.72
  5. Step 5: Solve for x
    x = 183,077,332,624,397.72/15,234,440.70
  6. Step 6: Final answer
    x = 12,017,332.06

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1.5x scale

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.