Home / 19,937,117.60-29,861,439.60-7,963,690.40

Finding the Fourth Proportional to 19,937,117.60, 29,861,439.60 and 7,963,690.40

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Solution

The fourth proportional to 19,937,117.60, 29,861,439.60 and 7,963,690.40 is: 11,927,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,117.60 : 29,861,439.60 = 7,963,690.40 : x
  2. Step 2: Convert to fraction form
    19,937,117.60/29,861,439.60 = 7,963,690.40/x
  3. Step 3: Cross multiply
    19,937,117.60x = 29,861,439.60 × 7,963,690.40
  4. Step 4: Simplify right side
    19,937,117.60x = 237,807,259,872,699.88
  5. Step 5: Solve for x
    x = 237,807,259,872,699.88/19,937,117.60
  6. Step 6: Final answer
    x = 11,927,865.63

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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.