Finding the Fourth Proportional to 19,927,838.76, 29,782,570.77 and 14,547,818.28
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Solution
The fourth proportional to 19,927,838.76, 29,782,570.77 and 14,547,818.28 is: 21,742,017.92
Step by Step Solution
- Step 1: Write the proportion equation
19,927,838.76 : 29,782,570.77 = 14,547,818.28 : x - Step 2: Convert to fraction form
19,927,838.76/29,782,570.77 = 14,547,818.28/x - Step 3: Cross multiply
19,927,838.76x = 29,782,570.77 × 14,547,818.28 - Step 4: Simplify right side
19,927,838.76x = 433,271,427,473,199.62 - Step 5: Solve for x
x = 433,271,427,473,199.62/19,927,838.76 - Step 6: Final answer
x = 21,742,017.92
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.