Home / 14,316,432.76-19,756,384.02-7,790,191.48

Finding the Fourth Proportional to 14,316,432.76, 19,756,384.02 and 7,790,191.48

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Solution

The fourth proportional to 14,316,432.76, 19,756,384.02 and 7,790,191.48 is: 10,750,304.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316,432.76 : 19,756,384.02 = 7,790,191.48 : x
  2. Step 2: Convert to fraction form
    14,316,432.76/19,756,384.02 = 7,790,191.48/x
  3. Step 3: Cross multiply
    14,316,432.76x = 19,756,384.02 × 7,790,191.48
  4. Step 4: Simplify right side
    14,316,432.76x = 153,906,014,468,212.16
  5. Step 5: Solve for x
    x = 153,906,014,468,212.16/14,316,432.76
  6. Step 6: Final answer
    x = 10,750,304.71

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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.