Home / 18,148,038.54-25,038,920.54-10,799,980.98

Finding the Fourth Proportional to 18,148,038.54, 25,038,920.54 and 10,799,980.98

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Solution

The fourth proportional to 18,148,038.54, 25,038,920.54 and 10,799,980.98 is: 14,900,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,038.54 : 25,038,920.54 = 10,799,980.98 : x
  2. Step 2: Convert to fraction form
    18,148,038.54/25,038,920.54 = 10,799,980.98/x
  3. Step 3: Cross multiply
    18,148,038.54x = 25,038,920.54 × 10,799,980.98
  4. Step 4: Simplify right side
    18,148,038.54x = 270,419,865,537,731.44
  5. Step 5: Solve for x
    x = 270,419,865,537,731.44/18,148,038.54
  6. Step 6: Final answer
    x = 14,900,776.46

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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.