Home / 20,547,334.57-28,355,250.93-11,845,465.69

Finding the Fourth Proportional to 20,547,334.57, 28,355,250.93 and 11,845,465.69

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Solution

The fourth proportional to 20,547,334.57, 28,355,250.93 and 11,845,465.69 is: 16,346,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547,334.57 : 28,355,250.93 = 11,845,465.69 : x
  2. Step 2: Convert to fraction form
    20,547,334.57/28,355,250.93 = 11,845,465.69/x
  3. Step 3: Cross multiply
    20,547,334.57x = 28,355,250.93 × 11,845,465.69
  4. Step 4: Simplify right side
    20,547,334.57x = 335,881,152,022,655.56
  5. Step 5: Solve for x
    x = 335,881,152,022,655.56/20,547,334.57
  6. Step 6: Final answer
    x = 16,346,701.85

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1.5x scale

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.