Home / 15,710,444.16-21,680,542.80-8,834,866.08

Finding the Fourth Proportional to 15,710,444.16, 21,680,542.80 and 8,834,866.08

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Solution

The fourth proportional to 15,710,444.16, 21,680,542.80 and 8,834,866.08 is: 12,192,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,710,444.16 : 21,680,542.80 = 8,834,866.08 : x
  2. Step 2: Convert to fraction form
    15,710,444.16/21,680,542.80 = 8,834,866.08/x
  3. Step 3: Cross multiply
    15,710,444.16x = 21,680,542.80 × 8,834,866.08
  4. Step 4: Simplify right side
    15,710,444.16x = 191,544,692,179,708.22
  5. Step 5: Solve for x
    x = 191,544,692,179,708.22/15,710,444.16
  6. Step 6: Final answer
    x = 12,192,188.22

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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.