Home / 7,250,640.02-10,005,683.52-3,987,454.40

Finding the Fourth Proportional to 7,250,640.02, 10,005,683.52 and 3,987,454.40

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Solution

The fourth proportional to 7,250,640.02, 10,005,683.52 and 3,987,454.40 is: 5,502,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,640.02 : 10,005,683.52 = 3,987,454.40 : x
  2. Step 2: Convert to fraction form
    7,250,640.02/10,005,683.52 = 3,987,454.40/x
  3. Step 3: Cross multiply
    7,250,640.02x = 10,005,683.52 × 3,987,454.40
  4. Step 4: Simplify right side
    7,250,640.02x = 39,897,206,776,831.48
  5. Step 5: Solve for x
    x = 39,897,206,776,831.48/7,250,640.02
  6. Step 6: Final answer
    x = 5,502,577.24

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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.