Home / 28,935,509.60-43,387,496.40-8,738,127.20

Finding the Fourth Proportional to 28,935,509.60, 43,387,496.40 and 8,738,127.20

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Solution

The fourth proportional to 28,935,509.60, 43,387,496.40 and 8,738,127.20 is: 13,102,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935,509.60 : 43,387,496.40 = 8,738,127.20 : x
  2. Step 2: Convert to fraction form
    28,935,509.60/43,387,496.40 = 8,738,127.20/x
  3. Step 3: Cross multiply
    28,935,509.60x = 43,387,496.40 × 8,738,127.20
  4. Step 4: Simplify right side
    28,935,509.60x = 379,125,462,432,742.06
  5. Step 5: Solve for x
    x = 379,125,462,432,742.06/28,935,509.60
  6. Step 6: Final answer
    x = 13,102,429.08

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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.