Home / 28,033,503.60-42,019,151.40-10,988,511.60

Finding the Fourth Proportional to 28,033,503.60, 42,019,151.40 and 10,988,511.60

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Solution

The fourth proportional to 28,033,503.60, 42,019,151.40 and 10,988,511.60 is: 16,470,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033,503.60 : 42,019,151.40 = 10,988,511.60 : x
  2. Step 2: Convert to fraction form
    28,033,503.60/42,019,151.40 = 10,988,511.60/x
  3. Step 3: Cross multiply
    28,033,503.60x = 42,019,151.40 × 10,988,511.60
  4. Step 4: Simplify right side
    28,033,503.60x = 461,727,932,581,056.19
  5. Step 5: Solve for x
    x = 461,727,932,581,056.19/28,033,503.60
  6. Step 6: Final answer
    x = 16,470,575.32

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1.5x scale

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.