Home / 19,938,671.40-29,908,007.10-6,476,860.20

Finding the Fourth Proportional to 19,938,671.40, 29,908,007.10 and 6,476,860.20

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Solution

The fourth proportional to 19,938,671.40, 29,908,007.10 and 6,476,860.20 is: 9,715,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,671.40 : 29,908,007.10 = 6,476,860.20 : x
  2. Step 2: Convert to fraction form
    19,938,671.40/29,908,007.10 = 6,476,860.20/x
  3. Step 3: Cross multiply
    19,938,671.40x = 29,908,007.10 × 6,476,860.20
  4. Step 4: Simplify right side
    19,938,671.40x = 193,709,980,847,307.44
  5. Step 5: Solve for x
    x = 193,709,980,847,307.44/19,938,671.40
  6. Step 6: Final answer
    x = 9,715,290.30

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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.