Home / 28,011,557.84-38,655,985.12-15,452,328.51

Finding the Fourth Proportional to 28,011,557.84, 38,655,985.12 and 15,452,328.51

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Solution

The fourth proportional to 28,011,557.84, 38,655,985.12 and 15,452,328.51 is: 21,324,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011,557.84 : 38,655,985.12 = 15,452,328.51 : x
  2. Step 2: Convert to fraction form
    28,011,557.84/38,655,985.12 = 15,452,328.51/x
  3. Step 3: Cross multiply
    28,011,557.84x = 38,655,985.12 × 15,452,328.51
  4. Step 4: Simplify right side
    28,011,557.84x = 597,324,980,913,280.88
  5. Step 5: Solve for x
    x = 597,324,980,913,280.88/28,011,557.84
  6. Step 6: Final answer
    x = 21,324,232.82

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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.