Home / 10,114,907.40-15,172,361.10-9,878,711.40

Finding the Fourth Proportional to 10,114,907.40, 15,172,361.10 and 9,878,711.40

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Solution

The fourth proportional to 10,114,907.40, 15,172,361.10 and 9,878,711.40 is: 14,818,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114,907.40 : 15,172,361.10 = 9,878,711.40 : x
  2. Step 2: Convert to fraction form
    10,114,907.40/15,172,361.10 = 9,878,711.40/x
  3. Step 3: Cross multiply
    10,114,907.40x = 15,172,361.10 × 9,878,711.40
  4. Step 4: Simplify right side
    10,114,907.40x = 149,883,376,563,486.53
  5. Step 5: Solve for x
    x = 149,883,376,563,486.53/10,114,907.40
  6. Step 6: Final answer
    x = 14,818,067.10

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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.