Home / 26,915,989.55-37,139,165.98-15,153,428.75

Finding the Fourth Proportional to 26,915,989.55, 37,139,165.98 and 15,153,428.75

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Solution

The fourth proportional to 26,915,989.55, 37,139,165.98 and 15,153,428.75 is: 20,908,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915,989.55 : 37,139,165.98 = 15,153,428.75 : x
  2. Step 2: Convert to fraction form
    26,915,989.55/37,139,165.98 = 15,153,428.75/x
  3. Step 3: Cross multiply
    26,915,989.55x = 37,139,165.98 × 15,153,428.75
  4. Step 4: Simplify right side
    26,915,989.55x = 562,785,705,326,658
  5. Step 5: Solve for x
    x = 562,785,705,326,658/26,915,989.55
  6. Step 6: Final answer
    x = 20,908,973.25

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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.