Home / 31,920,389.48-47,887,316.54-10,353,316.32

Finding the Fourth Proportional to 31,920,389.48, 47,887,316.54 and 10,353,316.32

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Solution

The fourth proportional to 31,920,389.48, 47,887,316.54 and 10,353,316.32 is: 15,532,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920,389.48 : 47,887,316.54 = 10,353,316.32 : x
  2. Step 2: Convert to fraction form
    31,920,389.48/47,887,316.54 = 10,353,316.32/x
  3. Step 3: Cross multiply
    31,920,389.48x = 47,887,316.54 × 10,353,316.32
  4. Step 4: Simplify right side
    31,920,389.48x = 495,792,535,841,646.31
  5. Step 5: Solve for x
    x = 495,792,535,841,646.31/31,920,389.48
  6. Step 6: Final answer
    x = 15,532,158.09

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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.