Home / 19,156,135.40-28,734,203.10-15,376,999.40

Finding the Fourth Proportional to 19,156,135.40, 28,734,203.10 and 15,376,999.40

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Solution

The fourth proportional to 19,156,135.40, 28,734,203.10 and 15,376,999.40 is: 23,065,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,135.40 : 28,734,203.10 = 15,376,999.40 : x
  2. Step 2: Convert to fraction form
    19,156,135.40/28,734,203.10 = 15,376,999.40/x
  3. Step 3: Cross multiply
    19,156,135.40x = 28,734,203.10 × 15,376,999.40
  4. Step 4: Simplify right side
    19,156,135.40x = 441,845,823,828,178.19
  5. Step 5: Solve for x
    x = 441,845,823,828,178.19/19,156,135.40
  6. Step 6: Final answer
    x = 23,065,499.10

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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.