Home / 31,495,792.05-47,239,202.16-9,927,590.76

Finding the Fourth Proportional to 31,495,792.05, 47,239,202.16 and 9,927,590.76

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Solution

The fourth proportional to 31,495,792.05, 47,239,202.16 and 9,927,590.76 is: 14,889,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,495,792.05 : 47,239,202.16 = 9,927,590.76 : x
  2. Step 2: Convert to fraction form
    31,495,792.05/47,239,202.16 = 9,927,590.76/x
  3. Step 3: Cross multiply
    31,495,792.05x = 47,239,202.16 × 9,927,590.76
  4. Step 4: Simplify right side
    31,495,792.05x = 468,971,466,873,388
  5. Step 5: Solve for x
    x = 468,971,466,873,388/31,495,792.05
  6. Step 6: Final answer
    x = 14,889,972.16

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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.