Home / 21,880,261.20-32,820,391.80-15,833,643.60

Finding the Fourth Proportional to 21,880,261.20, 32,820,391.80 and 15,833,643.60

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Solution

The fourth proportional to 21,880,261.20, 32,820,391.80 and 15,833,643.60 is: 23,750,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880,261.20 : 32,820,391.80 = 15,833,643.60 : x
  2. Step 2: Convert to fraction form
    21,880,261.20/32,820,391.80 = 15,833,643.60/x
  3. Step 3: Cross multiply
    21,880,261.20x = 32,820,391.80 × 15,833,643.60
  4. Step 4: Simplify right side
    21,880,261.20x = 519,666,386,573,562.50
  5. Step 5: Solve for x
    x = 519,666,386,573,562.50/21,880,261.20
  6. Step 6: Final answer
    x = 23,750,465.40

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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.