Home / 12,665,106.50-18,997,659.75-5,573,394.50

Finding the Fourth Proportional to 12,665,106.50, 18,997,659.75 and 5,573,394.50

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Solution

The fourth proportional to 12,665,106.50, 18,997,659.75 and 5,573,394.50 is: 8,360,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,665,106.50 : 18,997,659.75 = 5,573,394.50 : x
  2. Step 2: Convert to fraction form
    12,665,106.50/18,997,659.75 = 5,573,394.50/x
  3. Step 3: Cross multiply
    12,665,106.50x = 18,997,659.75 × 5,573,394.50
  4. Step 4: Simplify right side
    12,665,106.50x = 105,881,452,363,521.38
  5. Step 5: Solve for x
    x = 105,881,452,363,521.38/12,665,106.50
  6. Step 6: Final answer
    x = 8,360,091.75

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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.