Home / 13,223,417.81-18,248,134.41-7,422,094.13

Finding the Fourth Proportional to 13,223,417.81, 18,248,134.41 and 7,422,094.13

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Solution

The fourth proportional to 13,223,417.81, 18,248,134.41 and 7,422,094.13 is: 10,242,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,417.81 : 18,248,134.41 = 7,422,094.13 : x
  2. Step 2: Convert to fraction form
    13,223,417.81/18,248,134.41 = 7,422,094.13/x
  3. Step 3: Cross multiply
    13,223,417.81x = 18,248,134.41 × 7,422,094.13
  4. Step 4: Simplify right side
    13,223,417.81x = 135,439,371,196,671.34
  5. Step 5: Solve for x
    x = 135,439,371,196,671.34/13,223,417.81
  6. Step 6: Final answer
    x = 10,242,387.65

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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.