Home / 12,596,781.80-18,897,015.90-4,075,668.20

Finding the Fourth Proportional to 12,596,781.80, 18,897,015.90 and 4,075,668.20

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Solution

The fourth proportional to 12,596,781.80, 18,897,015.90 and 4,075,668.20 is: 6,114,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,781.80 : 18,897,015.90 = 4,075,668.20 : x
  2. Step 2: Convert to fraction form
    12,596,781.80/18,897,015.90 = 4,075,668.20/x
  3. Step 3: Cross multiply
    12,596,781.80x = 18,897,015.90 × 4,075,668.20
  4. Step 4: Simplify right side
    12,596,781.80x = 77,017,966,778,524.38
  5. Step 5: Solve for x
    x = 77,017,966,778,524.38/12,596,781.80
  6. Step 6: Final answer
    x = 6,114,098.66

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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.