Home / 20,506,827.24-30,766,975.02-8,386,484.16

Finding the Fourth Proportional to 20,506,827.24, 30,766,975.02 and 8,386,484.16

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Solution

The fourth proportional to 20,506,827.24, 30,766,975.02 and 8,386,484.16 is: 12,582,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506,827.24 : 30,766,975.02 = 8,386,484.16 : x
  2. Step 2: Convert to fraction form
    20,506,827.24/30,766,975.02 = 8,386,484.16/x
  3. Step 3: Cross multiply
    20,506,827.24x = 30,766,975.02 × 8,386,484.16
  4. Step 4: Simplify right side
    20,506,827.24x = 258,026,748,656,345.69
  5. Step 5: Solve for x
    x = 258,026,748,656,345.69/20,506,827.24
  6. Step 6: Final answer
    x = 12,582,480.25

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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.