Home / 28,223,236.40-42,340,384.20-12,049,156.40

Finding the Fourth Proportional to 28,223,236.40, 42,340,384.20 and 12,049,156.40

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Solution

The fourth proportional to 28,223,236.40, 42,340,384.20 and 12,049,156.40 is: 18,076,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223,236.40 : 42,340,384.20 = 12,049,156.40 : x
  2. Step 2: Convert to fraction form
    28,223,236.40/42,340,384.20 = 12,049,156.40/x
  3. Step 3: Cross multiply
    28,223,236.40x = 42,340,384.20 × 12,049,156.40
  4. Step 4: Simplify right side
    28,223,236.40x = 510,165,911,261,888.94
  5. Step 5: Solve for x
    x = 510,165,911,261,888.94/28,223,236.40
  6. Step 6: Final answer
    x = 18,076,095.31

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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.