Home / 13,047,306.90-18,005,325.58-7,246,088.64

Finding the Fourth Proportional to 13,047,306.90, 18,005,325.58 and 7,246,088.64

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Solution

The fourth proportional to 13,047,306.90, 18,005,325.58 and 7,246,088.64 is: 9,999,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,306.90 : 18,005,325.58 = 7,246,088.64 : x
  2. Step 2: Convert to fraction form
    13,047,306.90/18,005,325.58 = 7,246,088.64/x
  3. Step 3: Cross multiply
    13,047,306.90x = 18,005,325.58 × 7,246,088.64
  4. Step 4: Simplify right side
    13,047,306.90x = 130,468,185,144,739.39
  5. Step 5: Solve for x
    x = 130,468,185,144,739.39/13,047,306.90
  6. Step 6: Final answer
    x = 9,999,625.68

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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.