Home / 30,113,356.83-45,169,944.52-8,547,976.77

Finding the Fourth Proportional to 30,113,356.83, 45,169,944.52 and 8,547,976.77

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Solution

The fourth proportional to 30,113,356.83, 45,169,944.52 and 8,547,976.77 is: 12,821,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113,356.83 : 45,169,944.52 = 8,547,976.77 : x
  2. Step 2: Convert to fraction form
    30,113,356.83/45,169,944.52 = 8,547,976.77/x
  3. Step 3: Cross multiply
    30,113,356.83x = 45,169,944.52 × 8,547,976.77
  4. Step 4: Simplify right side
    30,113,356.83x = 386,111,636,233,299.12
  5. Step 5: Solve for x
    x = 386,111,636,233,299.12/30,113,356.83
  6. Step 6: Final answer
    x = 12,821,939.40

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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.