Home / 13,121,006.37-19,681,426.47-4,480,938.16

Finding the Fourth Proportional to 13,121,006.37, 19,681,426.47 and 4,480,938.16

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Solution

The fourth proportional to 13,121,006.37, 19,681,426.47 and 4,480,938.16 is: 6,721,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,006.37 : 19,681,426.47 = 4,480,938.16 : x
  2. Step 2: Convert to fraction form
    13,121,006.37/19,681,426.47 = 4,480,938.16/x
  3. Step 3: Cross multiply
    13,121,006.37x = 19,681,426.47 × 4,480,938.16
  4. Step 4: Simplify right side
    13,121,006.37x = 88,191,254,880,257.03
  5. Step 5: Solve for x
    x = 88,191,254,880,257.03/13,121,006.37
  6. Step 6: Final answer
    x = 6,721,378.87

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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.