Home / 11,483,620.16-15,847,681.20-7,071,675.72

Finding the Fourth Proportional to 11,483,620.16, 15,847,681.20 and 7,071,675.72

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Solution

The fourth proportional to 11,483,620.16, 15,847,681.20 and 7,071,675.72 is: 9,759,088.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483,620.16 : 15,847,681.20 = 7,071,675.72 : x
  2. Step 2: Convert to fraction form
    11,483,620.16/15,847,681.20 = 7,071,675.72/x
  3. Step 3: Cross multiply
    11,483,620.16x = 15,847,681.20 × 7,071,675.72
  4. Step 4: Simplify right side
    11,483,620.16x = 112,069,662,360,340.45
  5. Step 5: Solve for x
    x = 112,069,662,360,340.45/11,483,620.16
  6. Step 6: Final answer
    x = 9,759,088.23

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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.