Home / 21,521,203.20-32,281,804.80-8,057,318.40

Finding the Fourth Proportional to 21,521,203.20, 32,281,804.80 and 8,057,318.40

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Solution

The fourth proportional to 21,521,203.20, 32,281,804.80 and 8,057,318.40 is: 12,085,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521,203.20 : 32,281,804.80 = 8,057,318.40 : x
  2. Step 2: Convert to fraction form
    21,521,203.20/32,281,804.80 = 8,057,318.40/x
  3. Step 3: Cross multiply
    21,521,203.20x = 32,281,804.80 × 8,057,318.40
  4. Step 4: Simplify right side
    21,521,203.20x = 260,104,779,800,248.34
  5. Step 5: Solve for x
    x = 260,104,779,800,248.34/21,521,203.20
  6. Step 6: Final answer
    x = 12,085,977.60

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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.