Home / 20,898,492.73-28,837,308.50-11,604,799.20

Finding the Fourth Proportional to 20,898,492.73, 28,837,308.50 and 11,604,799.20

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Solution

The fourth proportional to 20,898,492.73, 28,837,308.50 and 11,604,799.20 is: 16,013,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898,492.73 : 28,837,308.50 = 11,604,799.20 : x
  2. Step 2: Convert to fraction form
    20,898,492.73/28,837,308.50 = 11,604,799.20/x
  3. Step 3: Cross multiply
    20,898,492.73x = 28,837,308.50 × 11,604,799.20
  4. Step 4: Simplify right side
    20,898,492.73x = 334,651,174,674,522.19
  5. Step 5: Solve for x
    x = 334,651,174,674,522.19/20,898,492.73
  6. Step 6: Final answer
    x = 16,013,172.77

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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.