Home / 23,176,697.12-31,989,721.32-15,837,500.96

Finding the Fourth Proportional to 23,176,697.12, 31,989,721.32 and 15,837,500.96

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Solution

The fourth proportional to 23,176,697.12, 31,989,721.32 and 15,837,500.96 is: 21,859,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176,697.12 : 31,989,721.32 = 15,837,500.96 : x
  2. Step 2: Convert to fraction form
    23,176,697.12/31,989,721.32 = 15,837,500.96/x
  3. Step 3: Cross multiply
    23,176,697.12x = 31,989,721.32 × 15,837,500.96
  4. Step 4: Simplify right side
    23,176,697.12x = 506,637,242,115,632.50
  5. Step 5: Solve for x
    x = 506,637,242,115,632.50/23,176,697.12
  6. Step 6: Final answer
    x = 21,859,768.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.