Home / 30,778,880.40-46,157,434.20-10,579,424.40

Finding the Fourth Proportional to 30,778,880.40, 46,157,434.20 and 10,579,424.40

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Solution

The fourth proportional to 30,778,880.40, 46,157,434.20 and 10,579,424.40 is: 15,865,394.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,778,880.40 : 46,157,434.20 = 10,579,424.40 : x
  2. Step 2: Convert to fraction form
    30,778,880.40/46,157,434.20 = 10,579,424.40/x
  3. Step 3: Cross multiply
    30,778,880.40x = 46,157,434.20 × 10,579,424.40
  4. Step 4: Simplify right side
    30,778,880.40x = 488,319,085,616,874.50
  5. Step 5: Solve for x
    x = 488,319,085,616,874.50/30,778,880.40
  6. Step 6: Final answer
    x = 15,865,394.69

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1.5x scale

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.