Home / 28,369,392.30-42,554,088.45-16,890,266.70

Finding the Fourth Proportional to 28,369,392.30, 42,554,088.45 and 16,890,266.70

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Solution

The fourth proportional to 28,369,392.30, 42,554,088.45 and 16,890,266.70 is: 25,335,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369,392.30 : 42,554,088.45 = 16,890,266.70 : x
  2. Step 2: Convert to fraction form
    28,369,392.30/42,554,088.45 = 16,890,266.70/x
  3. Step 3: Cross multiply
    28,369,392.30x = 42,554,088.45 × 16,890,266.70
  4. Step 4: Simplify right side
    28,369,392.30x = 718,749,903,095,889.62
  5. Step 5: Solve for x
    x = 718,749,903,095,889.62/28,369,392.30
  6. Step 6: Final answer
    x = 25,335,400.05

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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.