Home / 19,730,302.83-27,203,041.08-15,089,780.43

Finding the Fourth Proportional to 19,730,302.83, 27,203,041.08 and 15,089,780.43

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Solution

The fourth proportional to 19,730,302.83, 27,203,041.08 and 15,089,780.43 is: 20,804,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730,302.83 : 27,203,041.08 = 15,089,780.43 : x
  2. Step 2: Convert to fraction form
    19,730,302.83/27,203,041.08 = 15,089,780.43/x
  3. Step 3: Cross multiply
    19,730,302.83x = 27,203,041.08 × 15,089,780.43
  4. Step 4: Simplify right side
    19,730,302.83x = 410,487,916,925,470
  5. Step 5: Solve for x
    x = 410,487,916,925,470/19,730,302.83
  6. Step 6: Final answer
    x = 20,804,947.62

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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.