Home / 25,812,070.80-38,718,106.20-18,085,837.20

Finding the Fourth Proportional to 25,812,070.80, 38,718,106.20 and 18,085,837.20

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Solution

The fourth proportional to 25,812,070.80, 38,718,106.20 and 18,085,837.20 is: 27,128,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812,070.80 : 38,718,106.20 = 18,085,837.20 : x
  2. Step 2: Convert to fraction form
    25,812,070.80/38,718,106.20 = 18,085,837.20/x
  3. Step 3: Cross multiply
    25,812,070.80x = 38,718,106.20 × 18,085,837.20
  4. Step 4: Simplify right side
    25,812,070.80x = 700,249,365,425,510.62
  5. Step 5: Solve for x
    x = 700,249,365,425,510.62/25,812,070.80
  6. Step 6: Final answer
    x = 27,128,755.80

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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.