Home / 38,210,684.58-52,731,602.10-21,689,252.82

Finding the Fourth Proportional to 38,210,684.58, 52,731,602.10 and 21,689,252.82

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Solution

The fourth proportional to 38,210,684.58, 52,731,602.10 and 21,689,252.82 is: 29,931,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,210,684.58 : 52,731,602.10 = 21,689,252.82 : x
  2. Step 2: Convert to fraction form
    38,210,684.58/52,731,602.10 = 21,689,252.82/x
  3. Step 3: Cross multiply
    38,210,684.58x = 52,731,602.10 × 21,689,252.82
  4. Step 4: Simplify right side
    38,210,684.58x = 1,143,709,049,550,543
  5. Step 5: Solve for x
    x = 1,143,709,049,550,543/38,210,684.58
  6. Step 6: Final answer
    x = 29,931,655.56

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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.