Home / 10,075,882.86-13,893,729.90-6,807,021.72

Finding the Fourth Proportional to 10,075,882.86, 13,893,729.90 and 6,807,021.72

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Solution

The fourth proportional to 10,075,882.86, 13,893,729.90 and 6,807,021.72 is: 9,386,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075,882.86 : 13,893,729.90 = 6,807,021.72 : x
  2. Step 2: Convert to fraction form
    10,075,882.86/13,893,729.90 = 6,807,021.72/x
  3. Step 3: Cross multiply
    10,075,882.86x = 13,893,729.90 × 6,807,021.72
  4. Step 4: Simplify right side
    10,075,882.86x = 94,574,921,201,113.42
  5. Step 5: Solve for x
    x = 94,574,921,201,113.42/10,075,882.86
  6. Step 6: Final answer
    x = 9,386,266.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.