Home / 13,111,541.40-19,667,312.10-7,442,837.40

Finding the Fourth Proportional to 13,111,541.40, 19,667,312.10 and 7,442,837.40

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Solution

The fourth proportional to 13,111,541.40, 19,667,312.10 and 7,442,837.40 is: 11,164,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,541.40 : 19,667,312.10 = 7,442,837.40 : x
  2. Step 2: Convert to fraction form
    13,111,541.40/19,667,312.10 = 7,442,837.40/x
  3. Step 3: Cross multiply
    13,111,541.40x = 19,667,312.10 × 7,442,837.40
  4. Step 4: Simplify right side
    13,111,541.40x = 146,380,606,055,352.56
  5. Step 5: Solve for x
    x = 146,380,606,055,352.56/13,111,541.40
  6. Step 6: Final answer
    x = 11,164,256.10

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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.