Home / 10,520,976.20-14,528,973.93-9,947,798.26

Finding the Fourth Proportional to 10,520,976.20, 14,528,973.93 and 9,947,798.26

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Solution

The fourth proportional to 10,520,976.20, 14,528,973.93 and 9,947,798.26 is: 13,737,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,976.20 : 14,528,973.93 = 9,947,798.26 : x
  2. Step 2: Convert to fraction form
    10,520,976.20/14,528,973.93 = 9,947,798.26/x
  3. Step 3: Cross multiply
    10,520,976.20x = 14,528,973.93 × 9,947,798.26
  4. Step 4: Simplify right side
    10,520,976.20x = 144,531,301,507,794.50
  5. Step 5: Solve for x
    x = 144,531,301,507,794.50/10,520,976.20
  6. Step 6: Final answer
    x = 13,737,442.11

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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.