Home / 18,480,294.45-25,499,973.15-10,638,290.84

Finding the Fourth Proportional to 18,480,294.45, 25,499,973.15 and 10,638,290.84

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Solution

The fourth proportional to 18,480,294.45, 25,499,973.15 and 10,638,290.84 is: 14,679,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480,294.45 : 25,499,973.15 = 10,638,290.84 : x
  2. Step 2: Convert to fraction form
    18,480,294.45/25,499,973.15 = 10,638,290.84/x
  3. Step 3: Cross multiply
    18,480,294.45x = 25,499,973.15 × 10,638,290.84
  4. Step 4: Simplify right side
    18,480,294.45x = 271,276,130,845,640.84
  5. Step 5: Solve for x
    x = 271,276,130,845,640.84/18,480,294.45
  6. Step 6: Final answer
    x = 14,679,210.42

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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.