Home / 7,772,603.40-11,658,905.10-2,453,128.20

Finding the Fourth Proportional to 7,772,603.40, 11,658,905.10 and 2,453,128.20

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Solution

The fourth proportional to 7,772,603.40, 11,658,905.10 and 2,453,128.20 is: 3,679,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,603.40 : 11,658,905.10 = 2,453,128.20 : x
  2. Step 2: Convert to fraction form
    7,772,603.40/11,658,905.10 = 2,453,128.20/x
  3. Step 3: Cross multiply
    7,772,603.40x = 11,658,905.10 × 2,453,128.20
  4. Step 4: Simplify right side
    7,772,603.40x = 28,600,788,881,933.82
  5. Step 5: Solve for x
    x = 28,600,788,881,933.82/7,772,603.40
  6. Step 6: Final answer
    x = 3,679,692.30

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Similar ratio
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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.