Home / 12,992,630.40-19,490,695.20-4,475,577.60

Finding the Fourth Proportional to 12,992,630.40, 19,490,695.20 and 4,475,577.60

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Solution

The fourth proportional to 12,992,630.40, 19,490,695.20 and 4,475,577.60 is: 6,713,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,630.40 : 19,490,695.20 = 4,475,577.60 : x
  2. Step 2: Convert to fraction form
    12,992,630.40/19,490,695.20 = 4,475,577.60/x
  3. Step 3: Cross multiply
    12,992,630.40x = 19,490,695.20 × 4,475,577.60
  4. Step 4: Simplify right side
    12,992,630.40x = 87,232,118,845,547.52
  5. Step 5: Solve for x
    x = 87,232,118,845,547.52/12,992,630.40
  6. Step 6: Final answer
    x = 6,713,969.09

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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.