Home / 19,938,497.40-29,907,746.10-6,476,686.20

Finding the Fourth Proportional to 19,938,497.40, 29,907,746.10 and 6,476,686.20

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Solution

The fourth proportional to 19,938,497.40, 29,907,746.10 and 6,476,686.20 is: 9,715,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,497.40 : 29,907,746.10 = 6,476,686.20 : x
  2. Step 2: Convert to fraction form
    19,938,497.40/29,907,746.10 = 6,476,686.20/x
  3. Step 3: Cross multiply
    19,938,497.40x = 29,907,746.10 × 6,476,686.20
  4. Step 4: Simplify right side
    19,938,497.40x = 193,703,086,438,973.84
  5. Step 5: Solve for x
    x = 193,703,086,438,973.84/19,938,497.40
  6. Step 6: Final answer
    x = 9,715,029.30

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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.