Home / 9,121,307.20-13,673,407.20-3,445,345.60

Finding the Fourth Proportional to 9,121,307.20, 13,673,407.20 and 3,445,345.60

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Solution

The fourth proportional to 9,121,307.20, 13,673,407.20 and 3,445,345.60 is: 5,164,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,307.20 : 13,673,407.20 = 3,445,345.60 : x
  2. Step 2: Convert to fraction form
    9,121,307.20/13,673,407.20 = 3,445,345.60/x
  3. Step 3: Cross multiply
    9,121,307.20x = 13,673,407.20 × 3,445,345.60
  4. Step 4: Simplify right side
    9,121,307.20x = 47,109,613,333,528.32
  5. Step 5: Solve for x
    x = 47,109,613,333,528.32/9,121,307.20
  6. Step 6: Final answer
    x = 5,164,787.49

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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.