Home / 23,107,005.61-31,888,663.95-12,793,728.40

Finding the Fourth Proportional to 23,107,005.61, 31,888,663.95 and 12,793,728.40

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Solution

The fourth proportional to 23,107,005.61, 31,888,663.95 and 12,793,728.40 is: 17,655,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107,005.61 : 31,888,663.95 = 12,793,728.40 : x
  2. Step 2: Convert to fraction form
    23,107,005.61/31,888,663.95 = 12,793,728.40/x
  3. Step 3: Cross multiply
    23,107,005.61x = 31,888,663.95 × 12,793,728.40
  4. Step 4: Simplify right side
    23,107,005.61x = 407,974,905,615,171.19
  5. Step 5: Solve for x
    x = 407,974,905,615,171.19/23,107,005.61
  6. Step 6: Final answer
    x = 17,655,896.77

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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.