Home / 28,572,134.40-39,429,864.18-16,814,001.60

Finding the Fourth Proportional to 28,572,134.40, 39,429,864.18 and 16,814,001.60

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Solution

The fourth proportional to 28,572,134.40, 39,429,864.18 and 16,814,001.60 is: 23,203,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572,134.40 : 39,429,864.18 = 16,814,001.60 : x
  2. Step 2: Convert to fraction form
    28,572,134.40/39,429,864.18 = 16,814,001.60/x
  3. Step 3: Cross multiply
    28,572,134.40x = 39,429,864.18 × 16,814,001.60
  4. Step 4: Simplify right side
    28,572,134.40x = 662,973,799,410,302.75
  5. Step 5: Solve for x
    x = 662,973,799,410,302.75/28,572,134.40
  6. Step 6: Final answer
    x = 23,203,509.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.