Home / 12,772,934.60-19,159,401.90-8,237,971.40

Finding the Fourth Proportional to 12,772,934.60, 19,159,401.90 and 8,237,971.40

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Solution

The fourth proportional to 12,772,934.60, 19,159,401.90 and 8,237,971.40 is: 12,356,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,934.60 : 19,159,401.90 = 8,237,971.40 : x
  2. Step 2: Convert to fraction form
    12,772,934.60/19,159,401.90 = 8,237,971.40/x
  3. Step 3: Cross multiply
    12,772,934.60x = 19,159,401.90 × 8,237,971.40
  4. Step 4: Simplify right side
    12,772,934.60x = 157,834,604,893,305.66
  5. Step 5: Solve for x
    x = 157,834,604,893,305.66/12,772,934.60
  6. Step 6: Final answer
    x = 12,356,957.10

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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.