Finding the Fourth Proportional to 26,298,224.56, 39,447,336.84 and 7,128,483.40
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Solution
The fourth proportional to 26,298,224.56, 39,447,336.84 and 7,128,483.40 is: 10,692,725.10
Step by Step Solution
- Step 1: Write the proportion equation
26,298,224.56 : 39,447,336.84 = 7,128,483.40 : x - Step 2: Convert to fraction form
26,298,224.56/39,447,336.84 = 7,128,483.40/x - Step 3: Cross multiply
26,298,224.56x = 39,447,336.84 × 7,128,483.40 - Step 4: Simplify right side
26,298,224.56x = 281,199,685,838,148.50 - Step 5: Solve for x
x = 281,199,685,838,148.50/26,298,224.56 - Step 6: Final answer
x = 10,692,725.10
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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.