Home / 14,445,806.64-19,935,085.80-7,919,317.44

Finding the Fourth Proportional to 14,445,806.64, 19,935,085.80 and 7,919,317.44

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Solution

The fourth proportional to 14,445,806.64, 19,935,085.80 and 7,919,317.44 is: 10,928,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445,806.64 : 19,935,085.80 = 7,919,317.44 : x
  2. Step 2: Convert to fraction form
    14,445,806.64/19,935,085.80 = 7,919,317.44/x
  3. Step 3: Cross multiply
    14,445,806.64x = 19,935,085.80 × 7,919,317.44
  4. Step 4: Simplify right side
    14,445,806.64x = 157,872,272,643,836.38
  5. Step 5: Solve for x
    x = 157,872,272,643,836.38/14,445,806.64
  6. Step 6: Final answer
    x = 10,928,588.25

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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.