Home / 18,480,294.95-25,499,973.84-10,638,291.35

Finding the Fourth Proportional to 18,480,294.95, 25,499,973.84 and 10,638,291.35

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Solution

The fourth proportional to 18,480,294.95, 25,499,973.84 and 10,638,291.35 is: 14,679,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480,294.95 : 25,499,973.84 = 10,638,291.35 : x
  2. Step 2: Convert to fraction form
    18,480,294.95/25,499,973.84 = 10,638,291.35/x
  3. Step 3: Cross multiply
    18,480,294.95x = 25,499,973.84 × 10,638,291.35
  4. Step 4: Simplify right side
    18,480,294.95x = 271,276,150,999,798.44
  5. Step 5: Solve for x
    x = 271,276,150,999,798.44/18,480,294.95
  6. Step 6: Final answer
    x = 14,679,211.11

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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.