Finding the Fourth Proportional to 40,585,426.98, 56,007,963.99 and 22,000,509.63
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Solution
The fourth proportional to 40,585,426.98, 56,007,963.99 and 22,000,509.63 is: 30,360,743.81
Step by Step Solution
- Step 1: Write the proportion equation
40,585,426.98 : 56,007,963.99 = 22,000,509.63 : x - Step 2: Convert to fraction form
40,585,426.98/56,007,963.99 = 22,000,509.63/x - Step 3: Cross multiply
40,585,426.98x = 56,007,963.99 × 22,000,509.63 - Step 4: Simplify right side
40,585,426.98x = 1,232,203,751,118,688.25 - Step 5: Solve for x
x = 1,232,203,751,118,688.25/40,585,426.98 - Step 6: Final answer
x = 30,360,743.81
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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.