Home / 30,328,476.90-45,492,715.35-16,865,304.90

Finding the Fourth Proportional to 30,328,476.90, 45,492,715.35 and 16,865,304.90

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Solution

The fourth proportional to 30,328,476.90, 45,492,715.35 and 16,865,304.90 is: 25,297,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328,476.90 : 45,492,715.35 = 16,865,304.90 : x
  2. Step 2: Convert to fraction form
    30,328,476.90/45,492,715.35 = 16,865,304.90/x
  3. Step 3: Cross multiply
    30,328,476.90x = 45,492,715.35 × 16,865,304.90
  4. Step 4: Simplify right side
    30,328,476.90x = 767,248,515,106,660.12
  5. Step 5: Solve for x
    x = 767,248,515,106,660.12/30,328,476.90
  6. Step 6: Final answer
    x = 25,297,957.35

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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.