Home / 8,910,709.71-12,249,505.08-7,665,776.97

Finding the Fourth Proportional to 8,910,709.71, 12,249,505.08 and 7,665,776.97

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Solution

The fourth proportional to 8,910,709.71, 12,249,505.08 and 7,665,776.97 is: 10,538,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,709.71 : 12,249,505.08 = 7,665,776.97 : x
  2. Step 2: Convert to fraction form
    8,910,709.71/12,249,505.08 = 7,665,776.97/x
  3. Step 3: Cross multiply
    8,910,709.71x = 12,249,505.08 × 7,665,776.97
  4. Step 4: Simplify right side
    8,910,709.71x = 93,901,973,936,162
  5. Step 5: Solve for x
    x = 93,901,973,936,162/8,910,709.71
  6. Step 6: Final answer
    x = 10,538,102.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.