Home / 19,336,402,781.71-26,684,237,121.95-10,762,645,424.12

Finding the Fourth Proportional to 19,336,402,781.71, 26,684,237,121.95 and 10,762,645,424.12

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Solution

The fourth proportional to 19,336,402,781.71, 26,684,237,121.95 and 10,762,645,424.12 is: 14,852,451,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336,402,781.71 : 26,684,237,121.95 = 10,762,645,424.12 : x
  2. Step 2: Convert to fraction form
    19,336,402,781.71/26,684,237,121.95 = 10,762,645,424.12/x
  3. Step 3: Cross multiply
    19,336,402,781.71x = 26,684,237,121.95 × 10,762,645,424.12
  4. Step 4: Simplify right side
    19,336,402,781.71x = 287,192,982,556,688,220,160
  5. Step 5: Solve for x
    x = 287,192,982,556,688,220,160/19,336,402,781.71
  6. Step 6: Final answer
    x = 14,852,451,399.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.