Home / 12,547,488,000.10-18,821,232,000.15-11,193,045,657.70

Finding the Fourth Proportional to 12,547,488,000.10, 18,821,232,000.15 and 11,193,045,657.70

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Solution

The fourth proportional to 12,547,488,000.10, 18,821,232,000.15 and 11,193,045,657.70 is: 16,789,568,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,488,000.10 : 18,821,232,000.15 = 11,193,045,657.70 : x
  2. Step 2: Convert to fraction form
    12,547,488,000.10/18,821,232,000.15 = 11,193,045,657.70/x
  3. Step 3: Cross multiply
    12,547,488,000.10x = 18,821,232,000.15 × 11,193,045,657.70
  4. Step 4: Simplify right side
    12,547,488,000.10x = 210,666,909,111,843,258,368
  5. Step 5: Solve for x
    x = 210,666,909,111,843,258,368/12,547,488,000.10
  6. Step 6: Final answer
    x = 16,789,568,486.55

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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.