Home / 13,785,708.88-18,989,242.98-10,516,848.51

Finding the Fourth Proportional to 13,785,708.88, 18,989,242.98 and 10,516,848.51

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Solution

The fourth proportional to 13,785,708.88, 18,989,242.98 and 10,516,848.51 is: 14,486,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,708.88 : 18,989,242.98 = 10,516,848.51 : x
  2. Step 2: Convert to fraction form
    13,785,708.88/18,989,242.98 = 10,516,848.51/x
  3. Step 3: Cross multiply
    13,785,708.88x = 18,989,242.98 × 10,516,848.51
  4. Step 4: Simplify right side
    13,785,708.88x = 199,706,991,592,710.53
  5. Step 5: Solve for x
    x = 199,706,991,592,710.53/13,785,708.88
  6. Step 6: Final answer
    x = 14,486,523.21

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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.