Home / 18,636,033.68-25,717,673.80-10,487,271.60

Finding the Fourth Proportional to 18,636,033.68, 25,717,673.80 and 10,487,271.60

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Solution

The fourth proportional to 18,636,033.68, 25,717,673.80 and 10,487,271.60 is: 14,472,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636,033.68 : 25,717,673.80 = 10,487,271.60 : x
  2. Step 2: Convert to fraction form
    18,636,033.68/25,717,673.80 = 10,487,271.60/x
  3. Step 3: Cross multiply
    18,636,033.68x = 25,717,673.80 × 10,487,271.60
  4. Step 4: Simplify right side
    18,636,033.68x = 269,708,230,060,804.09
  5. Step 5: Solve for x
    x = 269,708,230,060,804.09/18,636,033.68
  6. Step 6: Final answer
    x = 14,472,405.16

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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.