Home / 19,515,806.84-26,932,403.88-10,813,165.22

Finding the Fourth Proportional to 19,515,806.84, 26,932,403.88 and 10,813,165.22

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Solution

The fourth proportional to 19,515,806.84, 26,932,403.88 and 10,813,165.22 is: 14,922,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515,806.84 : 26,932,403.88 = 10,813,165.22 : x
  2. Step 2: Convert to fraction form
    19,515,806.84/26,932,403.88 = 10,813,165.22/x
  3. Step 3: Cross multiply
    19,515,806.84x = 26,932,403.88 × 10,813,165.22
  4. Step 4: Simplify right side
    19,515,806.84x = 291,224,532,791,547
  5. Step 5: Solve for x
    x = 291,224,532,791,547/19,515,806.84
  6. Step 6: Final answer
    x = 14,922,495.15

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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.