Home / 30,778,875.90-46,157,427.45-10,579,419.90

Finding the Fourth Proportional to 30,778,875.90, 46,157,427.45 and 10,579,419.90

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Solution

The fourth proportional to 30,778,875.90, 46,157,427.45 and 10,579,419.90 is: 15,865,387.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,778,875.90 : 46,157,427.45 = 10,579,419.90 : x
  2. Step 2: Convert to fraction form
    30,778,875.90/46,157,427.45 = 10,579,419.90/x
  3. Step 3: Cross multiply
    30,778,875.90x = 46,157,427.45 × 10,579,419.90
  4. Step 4: Simplify right side
    30,778,875.90x = 488,318,806,497,336.31
  5. Step 5: Solve for x
    x = 488,318,806,497,336.31/30,778,875.90
  6. Step 6: Final answer
    x = 15,865,387.94

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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.