Home / 10,516,276.80-15,768,194.40-5,477,428.80

Finding the Fourth Proportional to 10,516,276.80, 15,768,194.40 and 5,477,428.80

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Solution

The fourth proportional to 10,516,276.80, 15,768,194.40 and 5,477,428.80 is: 8,212,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,276.80 : 15,768,194.40 = 5,477,428.80 : x
  2. Step 2: Convert to fraction form
    10,516,276.80/15,768,194.40 = 5,477,428.80/x
  3. Step 3: Cross multiply
    10,516,276.80x = 15,768,194.40 × 5,477,428.80
  4. Step 4: Simplify right side
    10,516,276.80x = 86,369,162,130,558.72
  5. Step 5: Solve for x
    x = 86,369,162,130,558.72/10,516,276.80
  6. Step 6: Final answer
    x = 8,212,903.08

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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.