Home / 6,480,081.60-9,720,122.40-6,385,603.20

Finding the Fourth Proportional to 6,480,081.60, 9,720,122.40 and 6,385,603.20

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Solution

The fourth proportional to 6,480,081.60, 9,720,122.40 and 6,385,603.20 is: 9,578,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,081.60 : 9,720,122.40 = 6,385,603.20 : x
  2. Step 2: Convert to fraction form
    6,480,081.60/9,720,122.40 = 6,385,603.20/x
  3. Step 3: Cross multiply
    6,480,081.60x = 9,720,122.40 × 6,385,603.20
  4. Step 4: Simplify right side
    6,480,081.60x = 62,068,844,701,831.69
  5. Step 5: Solve for x
    x = 62,068,844,701,831.69/6,480,081.60
  6. Step 6: Final answer
    x = 9,578,404.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.