Home / 9,721,043.68-13,415,152.44-5,370,038.86

Finding the Fourth Proportional to 9,721,043.68, 13,415,152.44 and 5,370,038.86

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Solution

The fourth proportional to 9,721,043.68, 13,415,152.44 and 5,370,038.86 is: 7,410,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721,043.68 : 13,415,152.44 = 5,370,038.86 : x
  2. Step 2: Convert to fraction form
    9,721,043.68/13,415,152.44 = 5,370,038.86/x
  3. Step 3: Cross multiply
    9,721,043.68x = 13,415,152.44 × 5,370,038.86
  4. Step 4: Simplify right side
    9,721,043.68x = 72,039,889,915,623.81
  5. Step 5: Solve for x
    x = 72,039,889,915,623.81/9,721,043.68
  6. Step 6: Final answer
    x = 7,410,715.59

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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.