Home / 15,280,211.15-21,095,407.02-10,130,547.86

Finding the Fourth Proportional to 15,280,211.15, 21,095,407.02 and 10,130,547.86

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Solution

The fourth proportional to 15,280,211.15, 21,095,407.02 and 10,130,547.86 is: 13,985,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280,211.15 : 21,095,407.02 = 10,130,547.86 : x
  2. Step 2: Convert to fraction form
    15,280,211.15/21,095,407.02 = 10,130,547.86/x
  3. Step 3: Cross multiply
    15,280,211.15x = 21,095,407.02 × 10,130,547.86
  4. Step 4: Simplify right side
    15,280,211.15x = 213,708,030,336,812.94
  5. Step 5: Solve for x
    x = 213,708,030,336,812.94/15,280,211.15
  6. Step 6: Final answer
    x = 13,985,934.38

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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.