Home / 10,390,000.15-15,586,476.45-3,200,784.40

Finding the Fourth Proportional to 10,390,000.15, 15,586,476.45 and 3,200,784.40

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Solution

The fourth proportional to 10,390,000.15, 15,586,476.45 and 3,200,784.40 is: 4,801,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390,000.15 : 15,586,476.45 = 3,200,784.40 : x
  2. Step 2: Convert to fraction form
    10,390,000.15/15,586,476.45 = 3,200,784.40/x
  3. Step 3: Cross multiply
    10,390,000.15x = 15,586,476.45 × 3,200,784.40
  4. Step 4: Simplify right side
    10,390,000.15x = 49,888,950,672,127.38
  5. Step 5: Solve for x
    x = 49,888,950,672,127.38/10,390,000.15
  6. Step 6: Final answer
    x = 4,801,631.37

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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.