Home / 12,692,035.89-19,045,618.47-4,605,642.36

Finding the Fourth Proportional to 12,692,035.89, 19,045,618.47 and 4,605,642.36

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Solution

The fourth proportional to 12,692,035.89, 19,045,618.47 and 4,605,642.36 is: 6,911,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692,035.89 : 19,045,618.47 = 4,605,642.36 : x
  2. Step 2: Convert to fraction form
    12,692,035.89/19,045,618.47 = 4,605,642.36/x
  3. Step 3: Cross multiply
    12,692,035.89x = 19,045,618.47 × 4,605,642.36
  4. Step 4: Simplify right side
    12,692,035.89x = 87,717,307,197,830.39
  5. Step 5: Solve for x
    x = 87,717,307,197,830.39/12,692,035.89
  6. Step 6: Final answer
    x = 6,911,208.57

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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.