Finding the Fourth Proportional to 34,433,225.40, 47,516,029.74 and 19,748,132.76
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Solution
The fourth proportional to 34,433,225.40, 47,516,029.74 and 19,748,132.76 is: 27,251,378.65
Step by Step Solution
- Step 1: Write the proportion equation
34,433,225.40 : 47,516,029.74 = 19,748,132.76 : x - Step 2: Convert to fraction form
34,433,225.40/47,516,029.74 = 19,748,132.76/x - Step 3: Cross multiply
34,433,225.40x = 47,516,029.74 × 19,748,132.76 - Step 4: Simplify right side
34,433,225.40x = 938,352,863,533,628.38 - Step 5: Solve for x
x = 938,352,863,533,628.38/34,433,225.40 - Step 6: Final answer
x = 27,251,378.65
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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.