Home / 15,506,967.04-21,399,615.12-8,631,301.84

Finding the Fourth Proportional to 15,506,967.04, 21,399,615.12 and 8,631,301.84

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Solution

The fourth proportional to 15,506,967.04, 21,399,615.12 and 8,631,301.84 is: 11,911,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506,967.04 : 21,399,615.12 = 8,631,301.84 : x
  2. Step 2: Convert to fraction form
    15,506,967.04/21,399,615.12 = 8,631,301.84/x
  3. Step 3: Cross multiply
    15,506,967.04x = 21,399,615.12 × 8,631,301.84
  4. Step 4: Simplify right side
    15,506,967.04x = 184,706,537,360,547.81
  5. Step 5: Solve for x
    x = 184,706,537,360,547.81/15,506,967.04
  6. Step 6: Final answer
    x = 11,911,196.88

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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.