Home / 15,455,783.04-21,329,055.36-9,657,932.16

Finding the Fourth Proportional to 15,455,783.04, 21,329,055.36 and 9,657,932.16

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Solution

The fourth proportional to 15,455,783.04, 21,329,055.36 and 9,657,932.16 is: 13,327,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455,783.04 : 21,329,055.36 = 9,657,932.16 : x
  2. Step 2: Convert to fraction form
    15,455,783.04/21,329,055.36 = 9,657,932.16/x
  3. Step 3: Cross multiply
    15,455,783.04x = 21,329,055.36 × 9,657,932.16
  4. Step 4: Simplify right side
    15,455,783.04x = 205,994,569,703,764.38
  5. Step 5: Solve for x
    x = 205,994,569,703,764.38/15,455,783.04
  6. Step 6: Final answer
    x = 13,327,993.10

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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.