Home / 13,307,574.30-18,364,562.61-7,347,173.10

Finding the Fourth Proportional to 13,307,574.30, 18,364,562.61 and 7,347,173.10

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Solution

The fourth proportional to 13,307,574.30, 18,364,562.61 and 7,347,173.10 is: 10,139,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,574.30 : 18,364,562.61 = 7,347,173.10 : x
  2. Step 2: Convert to fraction form
    13,307,574.30/18,364,562.61 = 7,347,173.10/x
  3. Step 3: Cross multiply
    13,307,574.30x = 18,364,562.61 × 7,347,173.10
  4. Step 4: Simplify right side
    13,307,574.30x = 134,927,620,401,457.78
  5. Step 5: Solve for x
    x = 134,927,620,401,457.78/13,307,574.30
  6. Step 6: Final answer
    x = 10,139,159.65

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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.