Home / 30,340,411.84-41,881,153.98-19,887,101.56

Finding the Fourth Proportional to 30,340,411.84, 41,881,153.98 and 19,887,101.56

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Solution

The fourth proportional to 30,340,411.84, 41,881,153.98 and 19,887,101.56 is: 27,451,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340,411.84 : 41,881,153.98 = 19,887,101.56 : x
  2. Step 2: Convert to fraction form
    30,340,411.84/41,881,153.98 = 19,887,101.56/x
  3. Step 3: Cross multiply
    30,340,411.84x = 41,881,153.98 × 19,887,101.56
  4. Step 4: Simplify right side
    30,340,411.84x = 832,894,762,650,258.12
  5. Step 5: Solve for x
    x = 832,894,762,650,258.12/30,340,411.84
  6. Step 6: Final answer
    x = 27,451,663.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.