Home / 12,528,045.60-18,795,567.60-6,138,506.40

Finding the Fourth Proportional to 12,528,045.60, 18,795,567.60 and 6,138,506.40

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Solution

The fourth proportional to 12,528,045.60, 18,795,567.60 and 6,138,506.40 is: 9,209,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,045.60 : 18,795,567.60 = 6,138,506.40 : x
  2. Step 2: Convert to fraction form
    12,528,045.60/18,795,567.60 = 6,138,506.40/x
  3. Step 3: Cross multiply
    12,528,045.60x = 18,795,567.60 × 6,138,506.40
  4. Step 4: Simplify right side
    12,528,045.60x = 115,376,712,004,232.66
  5. Step 5: Solve for x
    x = 115,376,712,004,232.66/12,528,045.60
  6. Step 6: Final answer
    x = 9,209,474.14

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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.