Home / 27,221,411.20-40,832,116.80-20,418,966.40

Finding the Fourth Proportional to 27,221,411.20, 40,832,116.80 and 20,418,966.40

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Solution

The fourth proportional to 27,221,411.20, 40,832,116.80 and 20,418,966.40 is: 30,628,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221,411.20 : 40,832,116.80 = 20,418,966.40 : x
  2. Step 2: Convert to fraction form
    27,221,411.20/40,832,116.80 = 20,418,966.40/x
  3. Step 3: Cross multiply
    27,221,411.20x = 40,832,116.80 × 20,418,966.40
  4. Step 4: Simplify right side
    27,221,411.20x = 833,749,620,980,075.38
  5. Step 5: Solve for x
    x = 833,749,620,980,075.38/27,221,411.20
  6. Step 6: Final answer
    x = 30,628,449.60

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1.5x scale

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.