Home / 20,063,967.50-27,688,437.88-10,896,675.86

Finding the Fourth Proportional to 20,063,967.50, 27,688,437.88 and 10,896,675.86

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Solution

The fourth proportional to 20,063,967.50, 27,688,437.88 and 10,896,675.86 is: 15,037,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,967.50 : 27,688,437.88 = 10,896,675.86 : x
  2. Step 2: Convert to fraction form
    20,063,967.50/27,688,437.88 = 10,896,675.86/x
  3. Step 3: Cross multiply
    20,063,967.50x = 27,688,437.88 × 10,896,675.86
  4. Step 4: Simplify right side
    20,063,967.50x = 301,711,932,690,085
  5. Step 5: Solve for x
    x = 301,711,932,690,085/20,063,967.50
  6. Step 6: Final answer
    x = 15,037,501.07

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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.