Home / 21,018,248.40-29,000,235.51-12,758,107.35

Finding the Fourth Proportional to 21,018,248.40, 29,000,235.51 and 12,758,107.35

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Solution

The fourth proportional to 21,018,248.40, 29,000,235.51 and 12,758,107.35 is: 17,603,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,018,248.40 : 29,000,235.51 = 12,758,107.35 : x
  2. Step 2: Convert to fraction form
    21,018,248.40/29,000,235.51 = 12,758,107.35/x
  3. Step 3: Cross multiply
    21,018,248.40x = 29,000,235.51 × 12,758,107.35
  4. Step 4: Simplify right side
    21,018,248.40x = 369,988,117,811,862
  5. Step 5: Solve for x
    x = 369,988,117,811,862/21,018,248.40
  6. Step 6: Final answer
    x = 17,603,185.14

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1.5x scale

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.