Home / 8,697,840.66-12,009,024.90-5,436,121.50

Finding the Fourth Proportional to 8,697,840.66, 12,009,024.90 and 5,436,121.50

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Solution

The fourth proportional to 8,697,840.66, 12,009,024.90 and 5,436,121.50 is: 7,505,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,840.66 : 12,009,024.90 = 5,436,121.50 : x
  2. Step 2: Convert to fraction form
    8,697,840.66/12,009,024.90 = 5,436,121.50/x
  3. Step 3: Cross multiply
    8,697,840.66x = 12,009,024.90 × 5,436,121.50
  4. Step 4: Simplify right side
    8,697,840.66x = 65,282,518,452,925.35
  5. Step 5: Solve for x
    x = 65,282,518,452,925.35/8,697,840.66
  6. Step 6: Final answer
    x = 7,505,600.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.