Home / 20,938,515,102.36-28,895,244,565.50-11,423,038,017.24

Finding the Fourth Proportional to 20,938,515,102.36, 28,895,244,565.50 and 11,423,038,017.24

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Solution

The fourth proportional to 20,938,515,102.36, 28,895,244,565.50 and 11,423,038,017.24 is: 15,763,843,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,938,515,102.36 : 28,895,244,565.50 = 11,423,038,017.24 : x
  2. Step 2: Convert to fraction form
    20,938,515,102.36/28,895,244,565.50 = 11,423,038,017.24/x
  3. Step 3: Cross multiply
    20,938,515,102.36x = 28,895,244,565.50 × 11,423,038,017.24
  4. Step 4: Simplify right side
    20,938,515,102.36x = 330,071,477,189,153,980,416
  5. Step 5: Solve for x
    x = 330,071,477,189,153,980,416/20,938,515,102.36
  6. Step 6: Final answer
    x = 15,763,843,595.19

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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.