Home / 10,369,160.70-15,553,741.05-7,177,890.30

Finding the Fourth Proportional to 10,369,160.70, 15,553,741.05 and 7,177,890.30

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Solution

The fourth proportional to 10,369,160.70, 15,553,741.05 and 7,177,890.30 is: 10,766,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,160.70 : 15,553,741.05 = 7,177,890.30 : x
  2. Step 2: Convert to fraction form
    10,369,160.70/15,553,741.05 = 7,177,890.30/x
  3. Step 3: Cross multiply
    10,369,160.70x = 15,553,741.05 × 7,177,890.30
  4. Step 4: Simplify right side
    10,369,160.70x = 111,643,047,011,506.81
  5. Step 5: Solve for x
    x = 111,643,047,011,506.81/10,369,160.70
  6. Step 6: Final answer
    x = 10,766,835.45

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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.