Home / 21,011,441.40-31,487,637.60-16,700,864.40

Finding the Fourth Proportional to 21,011,441.40, 31,487,637.60 and 16,700,864.40

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Solution

The fourth proportional to 21,011,441.40, 31,487,637.60 and 16,700,864.40 is: 25,027,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,441.40 : 31,487,637.60 = 16,700,864.40 : x
  2. Step 2: Convert to fraction form
    21,011,441.40/31,487,637.60 = 16,700,864.40/x
  3. Step 3: Cross multiply
    21,011,441.40x = 31,487,637.60 × 16,700,864.40
  4. Step 4: Simplify right side
    21,011,441.40x = 525,870,765,833,941.50
  5. Step 5: Solve for x
    x = 525,870,765,833,941.50/21,011,441.40
  6. Step 6: Final answer
    x = 25,027,829.16

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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.