Home / 7,132,284-9,842,724.72-3,913,020

Finding the Fourth Proportional to 7,132,284, 9,842,724.72 and 3,913,020

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Solution

The fourth proportional to 7,132,284, 9,842,724.72 and 3,913,020 is: 5,400,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132,284 : 9,842,724.72 = 3,913,020 : x
  2. Step 2: Convert to fraction form
    7,132,284/9,842,724.72 = 3,913,020/x
  3. Step 3: Cross multiply
    7,132,284x = 9,842,724.72 × 3,913,020
  4. Step 4: Simplify right side
    7,132,284x = 38,514,778,683,854.41
  5. Step 5: Solve for x
    x = 38,514,778,683,854.41/7,132,284
  6. Step 6: Final answer
    x = 5,400,062.40

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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.