Home / 30,309,877.71-45,433,060.50-14,122,481.31

Finding the Fourth Proportional to 30,309,877.71, 45,433,060.50 and 14,122,481.31

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Solution

The fourth proportional to 30,309,877.71, 45,433,060.50 and 14,122,481.31 is: 21,168,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309,877.71 : 45,433,060.50 = 14,122,481.31 : x
  2. Step 2: Convert to fraction form
    30,309,877.71/45,433,060.50 = 14,122,481.31/x
  3. Step 3: Cross multiply
    30,309,877.71x = 45,433,060.50 × 14,122,481.31
  4. Step 4: Simplify right side
    30,309,877.71x = 641,627,547,767,349.25
  5. Step 5: Solve for x
    x = 641,627,547,767,349.25/30,309,877.71
  6. Step 6: Final answer
    x = 21,168,925.65

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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.