Home / 14,208,045.60-21,312,068.40-14,108,512.80

Finding the Fourth Proportional to 14,208,045.60, 21,312,068.40 and 14,108,512.80

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Solution

The fourth proportional to 14,208,045.60, 21,312,068.40 and 14,108,512.80 is: 21,162,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208,045.60 : 21,312,068.40 = 14,108,512.80 : x
  2. Step 2: Convert to fraction form
    14,208,045.60/21,312,068.40 = 14,108,512.80/x
  3. Step 3: Cross multiply
    14,208,045.60x = 21,312,068.40 × 14,108,512.80
  4. Step 4: Simplify right side
    14,208,045.60x = 300,681,589,815,875.50
  5. Step 5: Solve for x
    x = 300,681,589,815,875.50/14,208,045.60
  6. Step 6: Final answer
    x = 21,162,769.20

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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.