Home / 14,858,774.48-20,496,421.28-9,343,420.40

Finding the Fourth Proportional to 14,858,774.48, 20,496,421.28 and 9,343,420.40

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Solution

The fourth proportional to 14,858,774.48, 20,496,421.28 and 9,343,420.40 is: 12,888,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858,774.48 : 20,496,421.28 = 9,343,420.40 : x
  2. Step 2: Convert to fraction form
    14,858,774.48/20,496,421.28 = 9,343,420.40/x
  3. Step 3: Cross multiply
    14,858,774.48x = 20,496,421.28 × 9,343,420.40
  4. Step 4: Simplify right side
    14,858,774.48x = 191,506,680,714,546.12
  5. Step 5: Solve for x
    x = 191,506,680,714,546.12/14,858,774.48
  6. Step 6: Final answer
    x = 12,888,457.32

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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.