Finding the Fourth Proportional to 37,447,908.70, 56,171,863.05 and 31,779,204.70
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Solution
The fourth proportional to 37,447,908.70, 56,171,863.05 and 31,779,204.70 is: 47,668,807.05
Step by Step Solution
- Step 1: Write the proportion equation
37,447,908.70 : 56,171,863.05 = 31,779,204.70 : x - Step 2: Convert to fraction form
37,447,908.70/56,171,863.05 = 31,779,204.70/x - Step 3: Cross multiply
37,447,908.70x = 56,171,863.05 × 31,779,204.70 - Step 4: Simplify right side
37,447,908.70x = 1,785,097,134,246,316.25 - Step 5: Solve for x
x = 1,785,097,134,246,316.25/37,447,908.70 - Step 6: Final answer
x = 47,668,807.05
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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.