Home / 14,083,352.28-19,425,322.64-9,905,897.12

Finding the Fourth Proportional to 14,083,352.28, 19,425,322.64 and 9,905,897.12

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Solution

The fourth proportional to 14,083,352.28, 19,425,322.64 and 9,905,897.12 is: 13,663,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083,352.28 : 19,425,322.64 = 9,905,897.12 : x
  2. Step 2: Convert to fraction form
    14,083,352.28/19,425,322.64 = 9,905,897.12/x
  3. Step 3: Cross multiply
    14,083,352.28x = 19,425,322.64 × 9,905,897.12
  4. Step 4: Simplify right side
    14,083,352.28x = 192,425,247,521,318.72
  5. Step 5: Solve for x
    x = 192,425,247,521,318.72/14,083,352.28
  6. Step 6: Final answer
    x = 13,663,312.80

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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.