Home / 12,148,812.60-18,235,028.70-7,365,843.60

Finding the Fourth Proportional to 12,148,812.60, 18,235,028.70 and 7,365,843.60

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Solution

The fourth proportional to 12,148,812.60, 18,235,028.70 and 7,365,843.60 is: 11,055,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,812.60 : 18,235,028.70 = 7,365,843.60 : x
  2. Step 2: Convert to fraction form
    12,148,812.60/18,235,028.70 = 7,365,843.60/x
  3. Step 3: Cross multiply
    12,148,812.60x = 18,235,028.70 × 7,365,843.60
  4. Step 4: Simplify right side
    12,148,812.60x = 134,316,369,445,711.31
  5. Step 5: Solve for x
    x = 134,316,369,445,711.31/12,148,812.60
  6. Step 6: Final answer
    x = 11,055,925.70

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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.