Home / 19,956,009.60-29,942,827.20-9,715,190.40

Finding the Fourth Proportional to 19,956,009.60, 29,942,827.20 and 9,715,190.40

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Solution

The fourth proportional to 19,956,009.60, 29,942,827.20 and 9,715,190.40 is: 14,577,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956,009.60 : 29,942,827.20 = 9,715,190.40 : x
  2. Step 2: Convert to fraction form
    19,956,009.60/29,942,827.20 = 9,715,190.40/x
  3. Step 3: Cross multiply
    19,956,009.60x = 29,942,827.20 × 9,715,190.40
  4. Step 4: Simplify right side
    19,956,009.60x = 290,900,267,362,298.88
  5. Step 5: Solve for x
    x = 290,900,267,362,298.88/19,956,009.60
  6. Step 6: Final answer
    x = 14,577,075.94

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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.