Home / 15,376,084.51-21,219,439.47-8,501,009.44

Finding the Fourth Proportional to 15,376,084.51, 21,219,439.47 and 8,501,009.44

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Solution

The fourth proportional to 15,376,084.51, 21,219,439.47 and 8,501,009.44 is: 11,731,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,084.51 : 21,219,439.47 = 8,501,009.44 : x
  2. Step 2: Convert to fraction form
    15,376,084.51/21,219,439.47 = 8,501,009.44/x
  3. Step 3: Cross multiply
    15,376,084.51x = 21,219,439.47 × 8,501,009.44
  4. Step 4: Simplify right side
    15,376,084.51x = 180,386,655,245,978.56
  5. Step 5: Solve for x
    x = 180,386,655,245,978.56/15,376,084.51
  6. Step 6: Final answer
    x = 11,731,637.86

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1.5x scale

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.