Home / 9,078,701.88-12,528,231.12-4,948,642.20

Finding the Fourth Proportional to 9,078,701.88, 12,528,231.12 and 4,948,642.20

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Solution

The fourth proportional to 9,078,701.88, 12,528,231.12 and 4,948,642.20 is: 6,828,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,701.88 : 12,528,231.12 = 4,948,642.20 : x
  2. Step 2: Convert to fraction form
    9,078,701.88/12,528,231.12 = 4,948,642.20/x
  3. Step 3: Cross multiply
    9,078,701.88x = 12,528,231.12 × 4,948,642.20
  4. Step 4: Simplify right side
    9,078,701.88x = 61,997,733,211,785.27
  5. Step 5: Solve for x
    x = 61,997,733,211,785.27/9,078,701.88
  6. Step 6: Final answer
    x = 6,828,920.48

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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.