Home / 8,472,590-11,684,127.48-5,574,440.24

Finding the Fourth Proportional to 8,472,590, 11,684,127.48 and 5,574,440.24

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Solution

The fourth proportional to 8,472,590, 11,684,127.48 and 5,574,440.24 is: 7,687,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472,590 : 11,684,127.48 = 5,574,440.24 : x
  2. Step 2: Convert to fraction form
    8,472,590/11,684,127.48 = 5,574,440.24/x
  3. Step 3: Cross multiply
    8,472,590x = 11,684,127.48 × 5,574,440.24
  4. Step 4: Simplify right side
    8,472,590x = 65,132,470,393,801.80
  5. Step 5: Solve for x
    x = 65,132,470,393,801.80/8,472,590
  6. Step 6: Final answer
    x = 7,687,433.29

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Double scale
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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.