Finding the Fourth Proportional to 15,020,681.70, 22,533,827.48 and 6,823,899.45
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Solution
The fourth proportional to 15,020,681.70, 22,533,827.48 and 6,823,899.45 is: 10,237,123.45
Step by Step Solution
- Step 1: Write the proportion equation
15,020,681.70 : 22,533,827.48 = 6,823,899.45 : x - Step 2: Convert to fraction form
15,020,681.70/22,533,827.48 = 6,823,899.45/x - Step 3: Cross multiply
15,020,681.70x = 22,533,827.48 × 6,823,899.45 - Step 4: Simplify right side
15,020,681.70x = 153,768,572,913,047.41 - Step 5: Solve for x
x = 153,768,572,913,047.41/15,020,681.70 - Step 6: Final answer
x = 10,237,123.45
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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.