Home / 15,173,128.40-22,759,692.60-4,938,952.55

Finding the Fourth Proportional to 15,173,128.40, 22,759,692.60 and 4,938,952.55

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Solution

The fourth proportional to 15,173,128.40, 22,759,692.60 and 4,938,952.55 is: 7,408,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173,128.40 : 22,759,692.60 = 4,938,952.55 : x
  2. Step 2: Convert to fraction form
    15,173,128.40/22,759,692.60 = 4,938,952.55/x
  3. Step 3: Cross multiply
    15,173,128.40x = 22,759,692.60 × 4,938,952.55
  4. Step 4: Simplify right side
    15,173,128.40x = 112,409,041,803,986.14
  5. Step 5: Solve for x
    x = 112,409,041,803,986.14/15,173,128.40
  6. Step 6: Final answer
    x = 7,408,428.83

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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.