Home / 12,048,746.40-18,087,116.40-7,261,840.80

Finding the Fourth Proportional to 12,048,746.40, 18,087,116.40 and 7,261,840.80

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Solution

The fourth proportional to 12,048,746.40, 18,087,116.40 and 7,261,840.80 is: 10,901,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,746.40 : 18,087,116.40 = 7,261,840.80 : x
  2. Step 2: Convert to fraction form
    12,048,746.40/18,087,116.40 = 7,261,840.80/x
  3. Step 3: Cross multiply
    12,048,746.40x = 18,087,116.40 × 7,261,840.80
  4. Step 4: Simplify right side
    12,048,746.40x = 131,345,759,827,869.11
  5. Step 5: Solve for x
    x = 131,345,759,827,869.11/12,048,746.40
  6. Step 6: Final answer
    x = 10,901,197.14

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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.