Home / 8,749,827.20-13,124,740.80-7,828,662.80

Finding the Fourth Proportional to 8,749,827.20, 13,124,740.80 and 7,828,662.80

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Solution

The fourth proportional to 8,749,827.20, 13,124,740.80 and 7,828,662.80 is: 11,742,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,827.20 : 13,124,740.80 = 7,828,662.80 : x
  2. Step 2: Convert to fraction form
    8,749,827.20/13,124,740.80 = 7,828,662.80/x
  3. Step 3: Cross multiply
    8,749,827.20x = 13,124,740.80 × 7,828,662.80
  4. Step 4: Simplify right side
    8,749,827.20x = 102,749,170,060,602.25
  5. Step 5: Solve for x
    x = 102,749,170,060,602.25/8,749,827.20
  6. Step 6: Final answer
    x = 11,742,994.20

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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.