Home / 9,042,959.36-12,479,425.55-4,913,072.30

Finding the Fourth Proportional to 9,042,959.36, 12,479,425.55 and 4,913,072.30

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Solution

The fourth proportional to 9,042,959.36, 12,479,425.55 and 4,913,072.30 is: 6,780,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,959.36 : 12,479,425.55 = 4,913,072.30 : x
  2. Step 2: Convert to fraction form
    9,042,959.36/12,479,425.55 = 4,913,072.30/x
  3. Step 3: Cross multiply
    9,042,959.36x = 12,479,425.55 × 4,913,072.30
  4. Step 4: Simplify right side
    9,042,959.36x = 61,312,319,989,617.27
  5. Step 5: Solve for x
    x = 61,312,319,989,617.27/9,042,959.36
  6. Step 6: Final answer
    x = 6,780,116.72

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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.