Home / 19,640,421.50-27,105,901.04-10,820,774.02

Finding the Fourth Proportional to 19,640,421.50, 27,105,901.04 and 10,820,774.02

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Solution

The fourth proportional to 19,640,421.50, 27,105,901.04 and 10,820,774.02 is: 14,933,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640,421.50 : 27,105,901.04 = 10,820,774.02 : x
  2. Step 2: Convert to fraction form
    19,640,421.50/27,105,901.04 = 10,820,774.02/x
  3. Step 3: Cross multiply
    19,640,421.50x = 27,105,901.04 × 10,820,774.02
  4. Step 4: Simplify right side
    19,640,421.50x = 293,306,829,762,322.94
  5. Step 5: Solve for x
    x = 293,306,829,762,322.94/19,640,421.50
  6. Step 6: Final answer
    x = 14,933,835.80

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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.