Home / 28,186,536.38-38,896,758.63-16,584,851.30

Finding the Fourth Proportional to 28,186,536.38, 38,896,758.63 and 16,584,851.30

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Solution

The fourth proportional to 28,186,536.38, 38,896,758.63 and 16,584,851.30 is: 22,886,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186,536.38 : 38,896,758.63 = 16,584,851.30 : x
  2. Step 2: Convert to fraction form
    28,186,536.38/38,896,758.63 = 16,584,851.30/x
  3. Step 3: Cross multiply
    28,186,536.38x = 38,896,758.63 × 16,584,851.30
  4. Step 4: Simplify right side
    28,186,536.38x = 645,096,957,736,058
  5. Step 5: Solve for x
    x = 645,096,957,736,058/28,186,536.38
  6. Step 6: Final answer
    x = 22,886,705.52

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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.