Home / 9,370,282.78-12,930,899.16-5,240,266.93

Finding the Fourth Proportional to 9,370,282.78, 12,930,899.16 and 5,240,266.93

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Solution

The fourth proportional to 9,370,282.78, 12,930,899.16 and 5,240,266.93 is: 7,231,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370,282.78 : 12,930,899.16 = 5,240,266.93 : x
  2. Step 2: Convert to fraction form
    9,370,282.78/12,930,899.16 = 5,240,266.93/x
  3. Step 3: Cross multiply
    9,370,282.78x = 12,930,899.16 × 5,240,266.93
  4. Step 4: Simplify right side
    9,370,282.78x = 67,761,363,243,312.77
  5. Step 5: Solve for x
    x = 67,761,363,243,312.77/9,370,282.78
  6. Step 6: Final answer
    x = 7,231,517.43

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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.