Home / 10,162,386.02-15,243,600.70-7,143,261.48

Finding the Fourth Proportional to 10,162,386.02, 15,243,600.70 and 7,143,261.48

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Solution

The fourth proportional to 10,162,386.02, 15,243,600.70 and 7,143,261.48 is: 10,714,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162,386.02 : 15,243,600.70 = 7,143,261.48 : x
  2. Step 2: Convert to fraction form
    10,162,386.02/15,243,600.70 = 7,143,261.48/x
  3. Step 3: Cross multiply
    10,162,386.02x = 15,243,600.70 × 7,143,261.48
  4. Step 4: Simplify right side
    10,162,386.02x = 108,889,025,705,740.12
  5. Step 5: Solve for x
    x = 108,889,025,705,740.12/10,162,386.02
  6. Step 6: Final answer
    x = 10,714,907.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.