Home / 21,785,210.40-32,748,674.40-15,439,411.20

Finding the Fourth Proportional to 21,785,210.40, 32,748,674.40 and 15,439,411.20

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Solution

The fourth proportional to 21,785,210.40, 32,748,674.40 and 15,439,411.20 is: 23,209,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,785,210.40 : 32,748,674.40 = 15,439,411.20 : x
  2. Step 2: Convert to fraction form
    21,785,210.40/32,748,674.40 = 15,439,411.20/x
  3. Step 3: Cross multiply
    21,785,210.40x = 32,748,674.40 × 15,439,411.20
  4. Step 4: Simplify right side
    21,785,210.40x = 505,620,250,316,513.25
  5. Step 5: Solve for x
    x = 505,620,250,316,513.25/21,785,210.40
  6. Step 6: Final answer
    x = 23,209,335.19

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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.