Home / 28,348,423.68-42,528,836.88-9,181,118.28

Finding the Fourth Proportional to 28,348,423.68, 42,528,836.88 and 9,181,118.28

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Solution

The fourth proportional to 28,348,423.68, 42,528,836.88 and 9,181,118.28 is: 13,773,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348,423.68 : 42,528,836.88 = 9,181,118.28 : x
  2. Step 2: Convert to fraction form
    28,348,423.68/42,528,836.88 = 9,181,118.28/x
  3. Step 3: Cross multiply
    28,348,423.68x = 42,528,836.88 × 9,181,118.28
  4. Step 4: Simplify right side
    28,348,423.68x = 390,462,281,706,106.19
  5. Step 5: Solve for x
    x = 390,462,281,706,106.19/28,348,423.68
  6. Step 6: Final answer
    x = 13,773,685.84

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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.