Home / 10,490,365.74-14,472,864.55-6,357,415.38

Finding the Fourth Proportional to 10,490,365.74, 14,472,864.55 and 6,357,415.38

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Solution

The fourth proportional to 10,490,365.74, 14,472,864.55 and 6,357,415.38 is: 8,770,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490,365.74 : 14,472,864.55 = 6,357,415.38 : x
  2. Step 2: Convert to fraction form
    10,490,365.74/14,472,864.55 = 6,357,415.38/x
  3. Step 3: Cross multiply
    10,490,365.74x = 14,472,864.55 × 6,357,415.38
  4. Step 4: Simplify right side
    10,490,365.74x = 92,010,011,600,739.84
  5. Step 5: Solve for x
    x = 92,010,011,600,739.84/10,490,365.74
  6. Step 6: Final answer
    x = 8,770,905.98

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1.5x scale

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.