Home / 39,882,430.65-55,037,701.02-21,547,716.15

Finding the Fourth Proportional to 39,882,430.65, 55,037,701.02 and 21,547,716.15

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Solution

The fourth proportional to 39,882,430.65, 55,037,701.02 and 21,547,716.15 is: 29,735,819.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,882,430.65 : 55,037,701.02 = 21,547,716.15 : x
  2. Step 2: Convert to fraction form
    39,882,430.65/55,037,701.02 = 21,547,716.15/x
  3. Step 3: Cross multiply
    39,882,430.65x = 55,037,701.02 × 21,547,716.15
  4. Step 4: Simplify right side
    39,882,430.65x = 1,185,936,759,127,525.50
  5. Step 5: Solve for x
    x = 1,185,936,759,127,525.50/39,882,430.65
  6. Step 6: Final answer
    x = 29,735,819.50

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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.