Home / 19,156,603.80-28,734,905.70-7,791,202.20

Finding the Fourth Proportional to 19,156,603.80, 28,734,905.70 and 7,791,202.20

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Solution

The fourth proportional to 19,156,603.80, 28,734,905.70 and 7,791,202.20 is: 11,686,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,603.80 : 28,734,905.70 = 7,791,202.20 : x
  2. Step 2: Convert to fraction form
    19,156,603.80/28,734,905.70 = 7,791,202.20/x
  3. Step 3: Cross multiply
    19,156,603.80x = 28,734,905.70 × 7,791,202.20
  4. Step 4: Simplify right side
    19,156,603.80x = 223,879,460,506,632.53
  5. Step 5: Solve for x
    x = 223,879,460,506,632.53/19,156,603.80
  6. Step 6: Final answer
    x = 11,686,803.30

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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.