Home / 9,094,713.78-12,518,848.72-7,931,107.11

Finding the Fourth Proportional to 9,094,713.78, 12,518,848.72 and 7,931,107.11

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Solution

The fourth proportional to 9,094,713.78, 12,518,848.72 and 7,931,107.11 is: 10,917,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,094,713.78 : 12,518,848.72 = 7,931,107.11 : x
  2. Step 2: Convert to fraction form
    9,094,713.78/12,518,848.72 = 7,931,107.11/x
  3. Step 3: Cross multiply
    9,094,713.78x = 12,518,848.72 × 7,931,107.11
  4. Step 4: Simplify right side
    9,094,713.78x = 99,288,330,092,206.41
  5. Step 5: Solve for x
    x = 99,288,330,092,206.41/9,094,713.78
  6. Step 6: Final answer
    x = 10,917,147.31

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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.