Home / 21,973,718.40-32,974,574.40-12,875,798.40

Finding the Fourth Proportional to 21,973,718.40, 32,974,574.40 and 12,875,798.40

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Solution

The fourth proportional to 21,973,718.40, 32,974,574.40 and 12,875,798.40 is: 19,321,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973,718.40 : 32,974,574.40 = 12,875,798.40 : x
  2. Step 2: Convert to fraction form
    21,973,718.40/32,974,574.40 = 12,875,798.40/x
  3. Step 3: Cross multiply
    21,973,718.40x = 32,974,574.40 × 12,875,798.40
  4. Step 4: Simplify right side
    21,973,718.40x = 424,573,972,300,200.94
  5. Step 5: Solve for x
    x = 424,573,972,300,200.94/21,973,718.40
  6. Step 6: Final answer
    x = 19,321,899.21

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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.