Home / 13,671,281.19-18,865,994.74-7,559,500.71

Finding the Fourth Proportional to 13,671,281.19, 18,865,994.74 and 7,559,500.71

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Solution

The fourth proportional to 13,671,281.19, 18,865,994.74 and 7,559,500.71 is: 10,431,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671,281.19 : 18,865,994.74 = 7,559,500.71 : x
  2. Step 2: Convert to fraction form
    13,671,281.19/18,865,994.74 = 7,559,500.71/x
  3. Step 3: Cross multiply
    13,671,281.19x = 18,865,994.74 × 7,559,500.71
  4. Step 4: Simplify right side
    13,671,281.19x = 142,617,500,631,886.25
  5. Step 5: Solve for x
    x = 142,617,500,631,886.25/13,671,281.19
  6. Step 6: Final answer
    x = 10,431,904.56

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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.