Home / 7,486,128-10,331,867.52-4,223,612.16

Finding the Fourth Proportional to 7,486,128, 10,331,867.52 and 4,223,612.16

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Solution

The fourth proportional to 7,486,128, 10,331,867.52 and 4,223,612.16 is: 5,829,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486,128 : 10,331,867.52 = 4,223,612.16 : x
  2. Step 2: Convert to fraction form
    7,486,128/10,331,867.52 = 4,223,612.16/x
  3. Step 3: Cross multiply
    7,486,128x = 10,331,867.52 × 4,223,612.16
  4. Step 4: Simplify right side
    7,486,128x = 43,637,801,292,981.04
  5. Step 5: Solve for x
    x = 43,637,801,292,981.04/7,486,128
  6. Step 6: Final answer
    x = 5,829,155.11

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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.