Home / 18,509,579.34-25,543,041.96-10,666,210.02

Finding the Fourth Proportional to 18,509,579.34, 25,543,041.96 and 10,666,210.02

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Solution

The fourth proportional to 18,509,579.34, 25,543,041.96 and 10,666,210.02 is: 14,719,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,579.34 : 25,543,041.96 = 10,666,210.02 : x
  2. Step 2: Convert to fraction form
    18,509,579.34/25,543,041.96 = 10,666,210.02/x
  3. Step 3: Cross multiply
    18,509,579.34x = 25,543,041.96 × 10,666,210.02
  4. Step 4: Simplify right side
    18,509,579.34x = 272,447,450,095,032.44
  5. Step 5: Solve for x
    x = 272,447,450,095,032.44/18,509,579.34
  6. Step 6: Final answer
    x = 14,719,267.53

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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.