Home / 10,478,174.81-15,717,262.93-2,905,140.77

Finding the Fourth Proportional to 10,478,174.81, 15,717,262.93 and 2,905,140.77

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Solution

The fourth proportional to 10,478,174.81, 15,717,262.93 and 2,905,140.77 is: 4,357,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478,174.81 : 15,717,262.93 = 2,905,140.77 : x
  2. Step 2: Convert to fraction form
    10,478,174.81/15,717,262.93 = 2,905,140.77/x
  3. Step 3: Cross multiply
    10,478,174.81x = 15,717,262.93 × 2,905,140.77
  4. Step 4: Simplify right side
    10,478,174.81x = 45,660,861,244,903.49
  5. Step 5: Solve for x
    x = 45,660,861,244,903.49/10,478,174.81
  6. Step 6: Final answer
    x = 4,357,711.35

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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.