Home / 30,328,485.40-45,492,728.10-16,865,313.40

Finding the Fourth Proportional to 30,328,485.40, 45,492,728.10 and 16,865,313.40

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Solution

The fourth proportional to 30,328,485.40, 45,492,728.10 and 16,865,313.40 is: 25,297,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328,485.40 : 45,492,728.10 = 16,865,313.40 : x
  2. Step 2: Convert to fraction form
    30,328,485.40/45,492,728.10 = 16,865,313.40/x
  3. Step 3: Cross multiply
    30,328,485.40x = 45,492,728.10 × 16,865,313.40
  4. Step 4: Simplify right side
    30,328,485.40x = 767,249,116,827,486.50
  5. Step 5: Solve for x
    x = 767,249,116,827,486.50/30,328,485.40
  6. Step 6: Final answer
    x = 25,297,970.10

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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.