Home / 28,403,243.70-42,604,865.55-13,258,706.10

Finding the Fourth Proportional to 28,403,243.70, 42,604,865.55 and 13,258,706.10

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Solution

The fourth proportional to 28,403,243.70, 42,604,865.55 and 13,258,706.10 is: 19,888,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,243.70 : 42,604,865.55 = 13,258,706.10 : x
  2. Step 2: Convert to fraction form
    28,403,243.70/42,604,865.55 = 13,258,706.10/x
  3. Step 3: Cross multiply
    28,403,243.70x = 42,604,865.55 × 13,258,706.10
  4. Step 4: Simplify right side
    28,403,243.70x = 564,885,390,757,464.75
  5. Step 5: Solve for x
    x = 564,885,390,757,464.75/28,403,243.70
  6. Step 6: Final answer
    x = 19,888,059.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.