Home / 12,287,438.92-16,956,547.32-6,780,864.52

Finding the Fourth Proportional to 12,287,438.92, 16,956,547.32 and 6,780,864.52

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Solution

The fourth proportional to 12,287,438.92, 16,956,547.32 and 6,780,864.52 is: 9,357,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,438.92 : 16,956,547.32 = 6,780,864.52 : x
  2. Step 2: Convert to fraction form
    12,287,438.92/16,956,547.32 = 6,780,864.52/x
  3. Step 3: Cross multiply
    12,287,438.92x = 16,956,547.32 × 6,780,864.52
  4. Step 4: Simplify right side
    12,287,438.92x = 114,980,050,103,889.08
  5. Step 5: Solve for x
    x = 114,980,050,103,889.08/12,287,438.92
  6. Step 6: Final answer
    x = 9,357,527.70

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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.