Home / 15,140,386.52-20,893,463.58-8,613,875.48

Finding the Fourth Proportional to 15,140,386.52, 20,893,463.58 and 8,613,875.48

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Solution

The fourth proportional to 15,140,386.52, 20,893,463.58 and 8,613,875.48 is: 11,886,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140,386.52 : 20,893,463.58 = 8,613,875.48 : x
  2. Step 2: Convert to fraction form
    15,140,386.52/20,893,463.58 = 8,613,875.48/x
  3. Step 3: Cross multiply
    15,140,386.52x = 20,893,463.58 × 8,613,875.48
  4. Step 4: Simplify right side
    15,140,386.52x = 179,973,693,624,035
  5. Step 5: Solve for x
    x = 179,973,693,624,035/15,140,386.52
  6. Step 6: Final answer
    x = 11,886,994.65

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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.