Home / 30,239,064.86-45,345,985.54-9,484,155.59

Finding the Fourth Proportional to 30,239,064.86, 45,345,985.54 and 9,484,155.59

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Solution

The fourth proportional to 30,239,064.86, 45,345,985.54 and 9,484,155.59 is: 14,222,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239,064.86 : 45,345,985.54 = 9,484,155.59 : x
  2. Step 2: Convert to fraction form
    30,239,064.86/45,345,985.54 = 9,484,155.59/x
  3. Step 3: Cross multiply
    30,239,064.86x = 45,345,985.54 × 9,484,155.59
  4. Step 4: Simplify right side
    30,239,064.86x = 430,068,381,992,809.94
  5. Step 5: Solve for x
    x = 430,068,381,992,809.94/30,239,064.86
  6. Step 6: Final answer
    x = 14,222,277.84

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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.