Home / 18,903,547.80-28,355,321.70-17,908,219.80

Finding the Fourth Proportional to 18,903,547.80, 28,355,321.70 and 17,908,219.80

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Solution

The fourth proportional to 18,903,547.80, 28,355,321.70 and 17,908,219.80 is: 26,862,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903,547.80 : 28,355,321.70 = 17,908,219.80 : x
  2. Step 2: Convert to fraction form
    18,903,547.80/28,355,321.70 = 17,908,219.80/x
  3. Step 3: Cross multiply
    18,903,547.80x = 28,355,321.70 × 17,908,219.80
  4. Step 4: Simplify right side
    18,903,547.80x = 507,793,333,503,309.69
  5. Step 5: Solve for x
    x = 507,793,333,503,309.69/18,903,547.80
  6. Step 6: Final answer
    x = 26,862,329.70

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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.