Home / 15,006,200.04-20,708,573.76-8,130,681.84

Finding the Fourth Proportional to 15,006,200.04, 20,708,573.76 and 8,130,681.84

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Solution

The fourth proportional to 15,006,200.04, 20,708,573.76 and 8,130,681.84 is: 11,220,350.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006,200.04 : 20,708,573.76 = 8,130,681.84 : x
  2. Step 2: Convert to fraction form
    15,006,200.04/20,708,573.76 = 8,130,681.84/x
  3. Step 3: Cross multiply
    15,006,200.04x = 20,708,573.76 × 8,130,681.84
  4. Step 4: Simplify right side
    15,006,200.04x = 168,374,824,602,732.53
  5. Step 5: Solve for x
    x = 168,374,824,602,732.53/15,006,200.04
  6. Step 6: Final answer
    x = 11,220,350.53

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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.