Home / 9,368,403.79-12,935,724.57-7,189,495.69

Finding the Fourth Proportional to 9,368,403.79, 12,935,724.57 and 7,189,495.69

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Solution

The fourth proportional to 9,368,403.79, 12,935,724.57 and 7,189,495.69 is: 9,927,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368,403.79 : 12,935,724.57 = 7,189,495.69 : x
  2. Step 2: Convert to fraction form
    9,368,403.79/12,935,724.57 = 7,189,495.69/x
  3. Step 3: Cross multiply
    9,368,403.79x = 12,935,724.57 × 7,189,495.69
  4. Step 4: Simplify right side
    9,368,403.79x = 93,001,336,043,042.11
  5. Step 5: Solve for x
    x = 93,001,336,043,042.11/9,368,403.79
  6. Step 6: Final answer
    x = 9,927,127.20

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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.