Home / 10,520,977.20-14,528,975.31-9,947,799.26

Finding the Fourth Proportional to 10,520,977.20, 14,528,975.31 and 9,947,799.26

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Solution

The fourth proportional to 10,520,977.20, 14,528,975.31 and 9,947,799.26 is: 13,737,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,977.20 : 14,528,975.31 = 9,947,799.26 : x
  2. Step 2: Convert to fraction form
    10,520,977.20/14,528,975.31 = 9,947,799.26/x
  3. Step 3: Cross multiply
    10,520,977.20x = 14,528,975.31 × 9,947,799.26
  4. Step 4: Simplify right side
    10,520,977.20x = 144,531,329,837,376.28
  5. Step 5: Solve for x
    x = 144,531,329,837,376.28/10,520,977.20
  6. Step 6: Final answer
    x = 13,737,443.50

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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.