Home / 40,808,006.40-61,212,009.60-13,881,662.40

Finding the Fourth Proportional to 40,808,006.40, 61,212,009.60 and 13,881,662.40

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Solution

The fourth proportional to 40,808,006.40, 61,212,009.60 and 13,881,662.40 is: 20,822,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,808,006.40 : 61,212,009.60 = 13,881,662.40 : x
  2. Step 2: Convert to fraction form
    40,808,006.40/61,212,009.60 = 13,881,662.40/x
  3. Step 3: Cross multiply
    40,808,006.40x = 61,212,009.60 × 13,881,662.40
  4. Step 4: Simplify right side
    40,808,006.40x = 849,724,452,092,759.12
  5. Step 5: Solve for x
    x = 849,724,452,092,759.12/40,808,006.40
  6. Step 6: Final answer
    x = 20,822,493.60

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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.