Home / 13,038,628.72-17,994,446.28-7,607,870.32

Finding the Fourth Proportional to 13,038,628.72, 17,994,446.28 and 7,607,870.32

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Solution

The fourth proportional to 13,038,628.72, 17,994,446.28 and 7,607,870.32 is: 10,499,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038,628.72 : 17,994,446.28 = 7,607,870.32 : x
  2. Step 2: Convert to fraction form
    13,038,628.72/17,994,446.28 = 7,607,870.32/x
  3. Step 3: Cross multiply
    13,038,628.72x = 17,994,446.28 × 7,607,870.32
  4. Step 4: Simplify right side
    13,038,628.72x = 136,899,413,778,446.42
  5. Step 5: Solve for x
    x = 136,899,413,778,446.42/13,038,628.72
  6. Step 6: Final answer
    x = 10,499,525.43

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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.