Home / 9,306,347.16-12,842,574.54-5,176,289.70

Finding the Fourth Proportional to 9,306,347.16, 12,842,574.54 and 5,176,289.70

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Solution

The fourth proportional to 9,306,347.16, 12,842,574.54 and 5,176,289.70 is: 7,143,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306,347.16 : 12,842,574.54 = 5,176,289.70 : x
  2. Step 2: Convert to fraction form
    9,306,347.16/12,842,574.54 = 5,176,289.70/x
  3. Step 3: Cross multiply
    9,306,347.16x = 12,842,574.54 × 5,176,289.70
  4. Step 4: Simplify right side
    9,306,347.16x = 66,476,886,312,884.23
  5. Step 5: Solve for x
    x = 66,476,886,312,884.23/9,306,347.16
  6. Step 6: Final answer
    x = 7,143,177.14

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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.