Home / 19,232,903.93-28,803,558.49-11,128,800.47

Finding the Fourth Proportional to 19,232,903.93, 28,803,558.49 and 11,128,800.47

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Solution

The fourth proportional to 19,232,903.93, 28,803,558.49 and 11,128,800.47 is: 16,666,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232,903.93 : 28,803,558.49 = 11,128,800.47 : x
  2. Step 2: Convert to fraction form
    19,232,903.93/28,803,558.49 = 11,128,800.47/x
  3. Step 3: Cross multiply
    19,232,903.93x = 28,803,558.49 × 11,128,800.47
  4. Step 4: Simplify right side
    19,232,903.93x = 320,549,055,089,344.69
  5. Step 5: Solve for x
    x = 320,549,055,089,344.69/19,232,903.93
  6. Step 6: Final answer
    x = 16,666,700.79

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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.