Home / 13,301,677.79-18,356,307.23-7,190,106.29

Finding the Fourth Proportional to 13,301,677.79, 18,356,307.23 and 7,190,106.29

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Solution

The fourth proportional to 13,301,677.79, 18,356,307.23 and 7,190,106.29 is: 9,922,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,677.79 : 18,356,307.23 = 7,190,106.29 : x
  2. Step 2: Convert to fraction form
    13,301,677.79/18,356,307.23 = 7,190,106.29/x
  3. Step 3: Cross multiply
    13,301,677.79x = 18,356,307.23 × 7,190,106.29
  4. Step 4: Simplify right side
    13,301,677.79x = 131,983,799,947,863.42
  5. Step 5: Solve for x
    x = 131,983,799,947,863.42/13,301,677.79
  6. Step 6: Final answer
    x = 9,922,342.29

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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.