Finding the Fourth Proportional to 37,493,312.90, 56,239,969.35 and 11,936,905.70
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Solution
The fourth proportional to 37,493,312.90, 56,239,969.35 and 11,936,905.70 is: 17,905,358.55
Step by Step Solution
- Step 1: Write the proportion equation
37,493,312.90 : 56,239,969.35 = 11,936,905.70 : x - Step 2: Convert to fraction form
37,493,312.90/56,239,969.35 = 11,936,905.70/x - Step 3: Cross multiply
37,493,312.90x = 56,239,969.35 × 11,936,905.70 - Step 4: Simplify right side
37,493,312.90x = 671,331,210,701,840.25 - Step 5: Solve for x
x = 671,331,210,701,840.25/37,493,312.90 - Step 6: Final answer
x = 17,905,358.55
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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.