Home / 9,478,901.49-13,081,254.93-5,558,112.69

Finding the Fourth Proportional to 9,478,901.49, 13,081,254.93 and 5,558,112.69

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Solution

The fourth proportional to 9,478,901.49, 13,081,254.93 and 5,558,112.69 is: 7,670,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478,901.49 : 13,081,254.93 = 5,558,112.69 : x
  2. Step 2: Convert to fraction form
    9,478,901.49/13,081,254.93 = 5,558,112.69/x
  3. Step 3: Cross multiply
    9,478,901.49x = 13,081,254.93 × 5,558,112.69
  4. Step 4: Simplify right side
    9,478,901.49x = 72,707,089,027,558.06
  5. Step 5: Solve for x
    x = 72,707,089,027,558.06/9,478,901.49
  6. Step 6: Final answer
    x = 7,670,412.98

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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.