Home / 20,547,968,756.58-28,355,714,601.30-12,090,340,333.26

Finding the Fourth Proportional to 20,547,968,756.58, 28,355,714,601.30 and 12,090,340,333.26

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Solution

The fourth proportional to 20,547,968,756.58, 28,355,714,601.30 and 12,090,340,333.26 is: 16,684,385,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547,968,756.58 : 28,355,714,601.30 = 12,090,340,333.26 : x
  2. Step 2: Convert to fraction form
    20,547,968,756.58/28,355,714,601.30 = 12,090,340,333.26/x
  3. Step 3: Cross multiply
    20,547,968,756.58x = 28,355,714,601.30 × 12,090,340,333.26
  4. Step 4: Simplify right side
    20,547,968,756.58x = 342,830,239,922,506,891,264
  5. Step 5: Solve for x
    x = 342,830,239,922,506,891,264/20,547,968,756.58
  6. Step 6: Final answer
    x = 16,684,385,886.69

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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.