Home / 10,402,064.70-15,603,145.65-3,670,478.70

Finding the Fourth Proportional to 10,402,064.70, 15,603,145.65 and 3,670,478.70

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Solution

The fourth proportional to 10,402,064.70, 15,603,145.65 and 3,670,478.70 is: 5,505,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,064.70 : 15,603,145.65 = 3,670,478.70 : x
  2. Step 2: Convert to fraction form
    10,402,064.70/15,603,145.65 = 3,670,478.70/x
  3. Step 3: Cross multiply
    10,402,064.70x = 15,603,145.65 × 3,670,478.70
  4. Step 4: Simplify right side
    10,402,064.70x = 57,271,013,761,322.66
  5. Step 5: Solve for x
    x = 57,271,013,761,322.66/10,402,064.70
  6. Step 6: Final answer
    x = 5,505,735.20

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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.