Home / 13,803,272.57-19,047,656.43-7,608,368.18

Finding the Fourth Proportional to 13,803,272.57, 19,047,656.43 and 7,608,368.18

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Solution

The fourth proportional to 13,803,272.57, 19,047,656.43 and 7,608,368.18 is: 10,499,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803,272.57 : 19,047,656.43 = 7,608,368.18 : x
  2. Step 2: Convert to fraction form
    13,803,272.57/19,047,656.43 = 7,608,368.18/x
  3. Step 3: Cross multiply
    13,803,272.57x = 19,047,656.43 × 7,608,368.18
  4. Step 4: Simplify right side
    13,803,272.57x = 144,921,582,990,346.12
  5. Step 5: Solve for x
    x = 144,921,582,990,346.12/13,803,272.57
  6. Step 6: Final answer
    x = 10,499,074.21

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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.