Home / 13,900,390.83-19,161,275.56-9,758,803.32

Finding the Fourth Proportional to 13,900,390.83, 19,161,275.56 and 9,758,803.32

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Solution

The fourth proportional to 13,900,390.83, 19,161,275.56 and 9,758,803.32 is: 13,452,220.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,390.83 : 19,161,275.56 = 9,758,803.32 : x
  2. Step 2: Convert to fraction form
    13,900,390.83/19,161,275.56 = 9,758,803.32/x
  3. Step 3: Cross multiply
    13,900,390.83x = 19,161,275.56 × 9,758,803.32
  4. Step 4: Simplify right side
    13,900,390.83x = 186,991,119,525,965.88
  5. Step 5: Solve for x
    x = 186,991,119,525,965.88/13,900,390.83
  6. Step 6: Final answer
    x = 13,452,220.29

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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.