Home / 30,510,856.86-42,105,291.75-16,572,483.42

Finding the Fourth Proportional to 30,510,856.86, 42,105,291.75 and 16,572,483.42

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Solution

The fourth proportional to 30,510,856.86, 42,105,291.75 and 16,572,483.42 is: 22,870,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,510,856.86 : 42,105,291.75 = 16,572,483.42 : x
  2. Step 2: Convert to fraction form
    30,510,856.86/42,105,291.75 = 16,572,483.42/x
  3. Step 3: Cross multiply
    30,510,856.86x = 42,105,291.75 × 16,572,483.42
  4. Step 4: Simplify right side
    30,510,856.86x = 697,789,249,421,137.75
  5. Step 5: Solve for x
    x = 697,789,249,421,137.75/30,510,856.86
  6. Step 6: Final answer
    x = 22,870,195.11

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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.