Home / 27,818,478.96-38,388,929.04-15,426,572.64

Finding the Fourth Proportional to 27,818,478.96, 38,388,929.04 and 15,426,572.64

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Solution

The fourth proportional to 27,818,478.96, 38,388,929.04 and 15,426,572.64 is: 21,288,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,818,478.96 : 38,388,929.04 = 15,426,572.64 : x
  2. Step 2: Convert to fraction form
    27,818,478.96/38,388,929.04 = 15,426,572.64/x
  3. Step 3: Cross multiply
    27,818,478.96x = 38,388,929.04 × 15,426,572.64
  4. Step 4: Simplify right side
    27,818,478.96x = 592,209,602,407,365.50
  5. Step 5: Solve for x
    x = 592,209,602,407,365.50/27,818,478.96
  6. Step 6: Final answer
    x = 21,288,353.09

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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.