Home / 31,539,802.40-47,291,041.20-16,423,258.40

Finding the Fourth Proportional to 31,539,802.40, 47,291,041.20 and 16,423,258.40

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Solution

The fourth proportional to 31,539,802.40, 47,291,041.20 and 16,423,258.40 is: 24,625,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539,802.40 : 47,291,041.20 = 16,423,258.40 : x
  2. Step 2: Convert to fraction form
    31,539,802.40/47,291,041.20 = 16,423,258.40/x
  3. Step 3: Cross multiply
    31,539,802.40x = 47,291,041.20 × 16,423,258.40
  4. Step 4: Simplify right side
    31,539,802.40x = 776,672,989,632,646.12
  5. Step 5: Solve for x
    x = 776,672,989,632,646.12/31,539,802.40
  6. Step 6: Final answer
    x = 24,625,169.80

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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.