Home / 9,210,785.28-12,710,572.80-5,080,981.44

Finding the Fourth Proportional to 9,210,785.28, 12,710,572.80 and 5,080,981.44

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Solution

The fourth proportional to 9,210,785.28, 12,710,572.80 and 5,080,981.44 is: 7,011,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210,785.28 : 12,710,572.80 = 5,080,981.44 : x
  2. Step 2: Convert to fraction form
    9,210,785.28/12,710,572.80 = 5,080,981.44/x
  3. Step 3: Cross multiply
    9,210,785.28x = 12,710,572.80 × 5,080,981.44
  4. Step 4: Simplify right side
    9,210,785.28x = 64,582,184,488,568.84
  5. Step 5: Solve for x
    x = 64,582,184,488,568.84/9,210,785.28
  6. Step 6: Final answer
    x = 7,011,582.89

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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.