Home / 43,269,001.20-64,903,501.80-12,976,864.20

Finding the Fourth Proportional to 43,269,001.20, 64,903,501.80 and 12,976,864.20

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Solution

The fourth proportional to 43,269,001.20, 64,903,501.80 and 12,976,864.20 is: 19,465,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,269,001.20 : 64,903,501.80 = 12,976,864.20 : x
  2. Step 2: Convert to fraction form
    43,269,001.20/64,903,501.80 = 12,976,864.20/x
  3. Step 3: Cross multiply
    43,269,001.20x = 64,903,501.80 × 12,976,864.20
  4. Step 4: Simplify right side
    43,269,001.20x = 842,243,928,963,055.50
  5. Step 5: Solve for x
    x = 842,243,928,963,055.50/43,269,001.20
  6. Step 6: Final answer
    x = 19,465,296.30

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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.