Home / 9,207,458.76-12,706,389.72-5,077,637.22

Finding the Fourth Proportional to 9,207,458.76, 12,706,389.72 and 5,077,637.22

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Solution

The fourth proportional to 9,207,458.76, 12,706,389.72 and 5,077,637.22 is: 7,007,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207,458.76 : 12,706,389.72 = 5,077,637.22 : x
  2. Step 2: Convert to fraction form
    9,207,458.76/12,706,389.72 = 5,077,637.22/x
  3. Step 3: Cross multiply
    9,207,458.76x = 12,706,389.72 × 5,077,637.22
  4. Step 4: Simplify right side
    9,207,458.76x = 64,518,437,374,097.38
  5. Step 5: Solve for x
    x = 64,518,437,374,097.38/9,207,458.76
  6. Step 6: Final answer
    x = 7,007,192.65

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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.