Home / 42,703,985.61-64,042,730.32-15,406,729.83

Finding the Fourth Proportional to 42,703,985.61, 64,042,730.32 and 15,406,729.83

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Solution

The fourth proportional to 42,703,985.61, 64,042,730.32 and 15,406,729.83 is: 23,105,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,703,985.61 : 64,042,730.32 = 15,406,729.83 : x
  2. Step 2: Convert to fraction form
    42,703,985.61/64,042,730.32 = 15,406,729.83/x
  3. Step 3: Cross multiply
    42,703,985.61x = 64,042,730.32 × 15,406,729.83
  4. Step 4: Simplify right side
    42,703,985.61x = 986,689,043,615,789.50
  5. Step 5: Solve for x
    x = 986,689,043,615,789.50/42,703,985.61
  6. Step 6: Final answer
    x = 23,105,315.10

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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.