Home / 21,400,970.64-32,094,712.29-7,020,687.48

Finding the Fourth Proportional to 21,400,970.64, 32,094,712.29 and 7,020,687.48

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Solution

The fourth proportional to 21,400,970.64, 32,094,712.29 and 7,020,687.48 is: 10,528,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400,970.64 : 32,094,712.29 = 7,020,687.48 : x
  2. Step 2: Convert to fraction form
    21,400,970.64/32,094,712.29 = 7,020,687.48/x
  3. Step 3: Cross multiply
    21,400,970.64x = 32,094,712.29 × 7,020,687.48
  4. Step 4: Simplify right side
    21,400,970.64x = 225,326,944,748,605.12
  5. Step 5: Solve for x
    x = 225,326,944,748,605.12/21,400,970.64
  6. Step 6: Final answer
    x = 10,528,818.93

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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.