Home / 19,658,290.96-29,475,271.32-7,676,938

Finding the Fourth Proportional to 19,658,290.96, 29,475,271.32 and 7,676,938

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Solution

The fourth proportional to 19,658,290.96, 29,475,271.32 and 7,676,938 is: 11,510,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658,290.96 : 29,475,271.32 = 7,676,938 : x
  2. Step 2: Convert to fraction form
    19,658,290.96/29,475,271.32 = 7,676,938/x
  3. Step 3: Cross multiply
    19,658,290.96x = 29,475,271.32 × 7,676,938
  4. Step 4: Simplify right side
    19,658,290.96x = 226,279,830,456,818.16
  5. Step 5: Solve for x
    x = 226,279,830,456,818.16/19,658,290.96
  6. Step 6: Final answer
    x = 11,510,656.29

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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.