Home / 52,689,373.81-72,712,196.74-28,846,603.22

Finding the Fourth Proportional to 52,689,373.81, 72,712,196.74 and 28,846,603.22

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Solution

The fourth proportional to 52,689,373.81, 72,712,196.74 and 28,846,603.22 is: 39,808,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,689,373.81 : 72,712,196.74 = 28,846,603.22 : x
  2. Step 2: Convert to fraction form
    52,689,373.81/72,712,196.74 = 28,846,603.22/x
  3. Step 3: Cross multiply
    52,689,373.81x = 72,712,196.74 × 28,846,603.22
  4. Step 4: Simplify right side
    52,689,373.81x = 2,097,499,888,613,357.25
  5. Step 5: Solve for x
    x = 2,097,499,888,613,357.25/52,689,373.81
  6. Step 6: Final answer
    x = 39,808,783.76

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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.