Home / 28,739,228.60-43,108,842.90-18,535,561.40

Finding the Fourth Proportional to 28,739,228.60, 43,108,842.90 and 18,535,561.40

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Solution

The fourth proportional to 28,739,228.60, 43,108,842.90 and 18,535,561.40 is: 27,803,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739,228.60 : 43,108,842.90 = 18,535,561.40 : x
  2. Step 2: Convert to fraction form
    28,739,228.60/43,108,842.90 = 18,535,561.40/x
  3. Step 3: Cross multiply
    28,739,228.60x = 43,108,842.90 × 18,535,561.40
  4. Step 4: Simplify right side
    28,739,228.60x = 799,046,604,455,904
  5. Step 5: Solve for x
    x = 799,046,604,455,904/28,739,228.60
  6. Step 6: Final answer
    x = 27,803,342.10

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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.