Home / 9,896,981.60-13,658,170.80-9,443,485.28

Finding the Fourth Proportional to 9,896,981.60, 13,658,170.80 and 9,443,485.28

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Solution

The fourth proportional to 9,896,981.60, 13,658,170.80 and 9,443,485.28 is: 13,032,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896,981.60 : 13,658,170.80 = 9,443,485.28 : x
  2. Step 2: Convert to fraction form
    9,896,981.60/13,658,170.80 = 9,443,485.28/x
  3. Step 3: Cross multiply
    9,896,981.60x = 13,658,170.80 × 9,443,485.28
  4. Step 4: Simplify right side
    9,896,981.60x = 128,980,734,901,525.83
  5. Step 5: Solve for x
    x = 128,980,734,901,525.83/9,896,981.60
  6. Step 6: Final answer
    x = 13,032,330.47

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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.