Home / 12,672,777.60-19,009,166.40-5,849,337.60

Finding the Fourth Proportional to 12,672,777.60, 19,009,166.40 and 5,849,337.60

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Solution

The fourth proportional to 12,672,777.60, 19,009,166.40 and 5,849,337.60 is: 8,774,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,777.60 : 19,009,166.40 = 5,849,337.60 : x
  2. Step 2: Convert to fraction form
    12,672,777.60/19,009,166.40 = 5,849,337.60/x
  3. Step 3: Cross multiply
    12,672,777.60x = 19,009,166.40 × 5,849,337.60
  4. Step 4: Simplify right side
    12,672,777.60x = 111,191,031,768,176.62
  5. Step 5: Solve for x
    x = 111,191,031,768,176.62/12,672,777.60
  6. Step 6: Final answer
    x = 8,774,006.40

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Similar ratio
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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.