Home / 10,374,603.60-15,561,905.40-7,345,389.90

Finding the Fourth Proportional to 10,374,603.60, 15,561,905.40 and 7,345,389.90

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Solution

The fourth proportional to 10,374,603.60, 15,561,905.40 and 7,345,389.90 is: 11,018,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374,603.60 : 15,561,905.40 = 7,345,389.90 : x
  2. Step 2: Convert to fraction form
    10,374,603.60/15,561,905.40 = 7,345,389.90/x
  3. Step 3: Cross multiply
    10,374,603.60x = 15,561,905.40 × 7,345,389.90
  4. Step 4: Simplify right side
    10,374,603.60x = 114,308,262,749,915.47
  5. Step 5: Solve for x
    x = 114,308,262,749,915.47/10,374,603.60
  6. Step 6: Final answer
    x = 11,018,084.85

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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.