Home / 31,895,021.40-47,809,872.90-15,696,058.20

Finding the Fourth Proportional to 31,895,021.40, 47,809,872.90 and 15,696,058.20

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Solution

The fourth proportional to 31,895,021.40, 47,809,872.90 and 15,696,058.20 is: 23,528,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,895,021.40 : 47,809,872.90 = 15,696,058.20 : x
  2. Step 2: Convert to fraction form
    31,895,021.40/47,809,872.90 = 15,696,058.20/x
  3. Step 3: Cross multiply
    31,895,021.40x = 47,809,872.90 × 15,696,058.20
  4. Step 4: Simplify right side
    31,895,021.40x = 750,426,547,573,002.75
  5. Step 5: Solve for x
    x = 750,426,547,573,002.75/31,895,021.40
  6. Step 6: Final answer
    x = 23,528,015.18

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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.