Home / 30,554,705.86-42,164,653.53-16,803,670.66

Finding the Fourth Proportional to 30,554,705.86, 42,164,653.53 and 16,803,670.66

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Solution

The fourth proportional to 30,554,705.86, 42,164,653.53 and 16,803,670.66 is: 23,188,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,554,705.86 : 42,164,653.53 = 16,803,670.66 : x
  2. Step 2: Convert to fraction form
    30,554,705.86/42,164,653.53 = 16,803,670.66/x
  3. Step 3: Cross multiply
    30,554,705.86x = 42,164,653.53 × 16,803,670.66
  4. Step 4: Simplify right side
    30,554,705.86x = 708,520,951,411,126.50
  5. Step 5: Solve for x
    x = 708,520,951,411,126.50/30,554,705.86
  6. Step 6: Final answer
    x = 23,188,603.24

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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.