Home / 15,376,594,885.60-21,221,282,516.88-9,355,527,744.16

Finding the Fourth Proportional to 15,376,594,885.60, 21,221,282,516.88 and 9,355,527,744.16

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Solution

The fourth proportional to 15,376,594,885.60, 21,221,282,516.88 and 9,355,527,744.16 is: 12,911,590,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,594,885.60 : 21,221,282,516.88 = 9,355,527,744.16 : x
  2. Step 2: Convert to fraction form
    15,376,594,885.60/21,221,282,516.88 = 9,355,527,744.16/x
  3. Step 3: Cross multiply
    15,376,594,885.60x = 21,221,282,516.88 × 9,355,527,744.16
  4. Step 4: Simplify right side
    15,376,594,885.60x = 198,536,297,353,328,394,240
  5. Step 5: Solve for x
    x = 198,536,297,353,328,394,240/15,376,594,885.60
  6. Step 6: Final answer
    x = 12,911,590,558.93

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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.