Home / 10,402,847.80-15,604,271.70-9,772,991.80

Finding the Fourth Proportional to 10,402,847.80, 15,604,271.70 and 9,772,991.80

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Solution

The fourth proportional to 10,402,847.80, 15,604,271.70 and 9,772,991.80 is: 14,659,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,847.80 : 15,604,271.70 = 9,772,991.80 : x
  2. Step 2: Convert to fraction form
    10,402,847.80/15,604,271.70 = 9,772,991.80/x
  3. Step 3: Cross multiply
    10,402,847.80x = 15,604,271.70 × 9,772,991.80
  4. Step 4: Simplify right side
    10,402,847.80x = 152,500,419,369,072.06
  5. Step 5: Solve for x
    x = 152,500,419,369,072.06/10,402,847.80
  6. Step 6: Final answer
    x = 14,659,487.70

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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.