Home / 30,113,372.82-45,169,968.50-8,547,992.76

Finding the Fourth Proportional to 30,113,372.82, 45,169,968.50 and 8,547,992.76

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Solution

The fourth proportional to 30,113,372.82, 45,169,968.50 and 8,547,992.76 is: 12,821,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113,372.82 : 45,169,968.50 = 8,547,992.76 : x
  2. Step 2: Convert to fraction form
    30,113,372.82/45,169,968.50 = 8,547,992.76/x
  3. Step 3: Cross multiply
    30,113,372.82x = 45,169,968.50 × 8,547,992.76
  4. Step 4: Simplify right side
    30,113,372.82x = 386,112,563,707,428.06
  5. Step 5: Solve for x
    x = 386,112,563,707,428.06/30,113,372.82
  6. Step 6: Final answer
    x = 12,821,963.39

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1.5x scale

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.