Home / 12,960,100.60-19,440,150.90-5,392,497.40

Finding the Fourth Proportional to 12,960,100.60, 19,440,150.90 and 5,392,497.40

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Solution

The fourth proportional to 12,960,100.60, 19,440,150.90 and 5,392,497.40 is: 8,088,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,100.60 : 19,440,150.90 = 5,392,497.40 : x
  2. Step 2: Convert to fraction form
    12,960,100.60/19,440,150.90 = 5,392,497.40/x
  3. Step 3: Cross multiply
    12,960,100.60x = 19,440,150.90 × 5,392,497.40
  4. Step 4: Simplify right side
    12,960,100.60x = 104,830,963,183,857.66
  5. Step 5: Solve for x
    x = 104,830,963,183,857.66/12,960,100.60
  6. Step 6: Final answer
    x = 8,088,746.10

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1.5x scale

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.