Home / 35,478,576.40-53,217,864.60-12,756,521.20

Finding the Fourth Proportional to 35,478,576.40, 53,217,864.60 and 12,756,521.20

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Solution

The fourth proportional to 35,478,576.40, 53,217,864.60 and 12,756,521.20 is: 19,134,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478,576.40 : 53,217,864.60 = 12,756,521.20 : x
  2. Step 2: Convert to fraction form
    35,478,576.40/53,217,864.60 = 12,756,521.20/x
  3. Step 3: Cross multiply
    35,478,576.40x = 53,217,864.60 × 12,756,521.20
  4. Step 4: Simplify right side
    35,478,576.40x = 678,874,817,988,629.50
  5. Step 5: Solve for x
    x = 678,874,817,988,629.50/35,478,576.40
  6. Step 6: Final answer
    x = 19,134,781.80

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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.