Home / 10,347,886.70-15,521,830.05-9,883,400.30

Finding the Fourth Proportional to 10,347,886.70, 15,521,830.05 and 9,883,400.30

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Solution

The fourth proportional to 10,347,886.70, 15,521,830.05 and 9,883,400.30 is: 14,825,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,886.70 : 15,521,830.05 = 9,883,400.30 : x
  2. Step 2: Convert to fraction form
    10,347,886.70/15,521,830.05 = 9,883,400.30/x
  3. Step 3: Cross multiply
    10,347,886.70x = 15,521,830.05 × 9,883,400.30
  4. Step 4: Simplify right side
    10,347,886.70x = 153,408,459,772,719.03
  5. Step 5: Solve for x
    x = 153,408,459,772,719.03/10,347,886.70
  6. Step 6: Final answer
    x = 14,825,100.45

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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.