Home / 28,124,417.95-38,813,203.73-15,733,772.21

Finding the Fourth Proportional to 28,124,417.95, 38,813,203.73 and 15,733,772.21

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Solution

The fourth proportional to 28,124,417.95, 38,813,203.73 and 15,733,772.21 is: 21,713,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124,417.95 : 38,813,203.73 = 15,733,772.21 : x
  2. Step 2: Convert to fraction form
    28,124,417.95/38,813,203.73 = 15,733,772.21/x
  3. Step 3: Cross multiply
    28,124,417.95x = 38,813,203.73 × 15,733,772.21
  4. Step 4: Simplify right side
    28,124,417.95x = 610,678,106,246,506.50
  5. Step 5: Solve for x
    x = 610,678,106,246,506.50/28,124,417.95
  6. Step 6: Final answer
    x = 21,713,448.70

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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.